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APPSC Extension Officer practice questions

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Question 1General Studies and Mental Ability

Under the Andhra Pradesh Panchayat Raj Act, which body is constituted at the village level as the primary unit of local self-government?

  1. Gram Panchayat Correct answer.
  2. Zilla Parishad
  3. District Rural Development Agency
  4. Mandal Parishad

Explanation

The three-tier Panchayat Raj structure begins at the village level with the Gram Panchayat, which is the basic unit of rural local self-government. Mandal Parishad and Zilla Parishad are the intermediate and district tiers respectively, while the DRDA is an administrative agency, not an elected tier.

Question 2General Studies and Mental Ability

In a village panchayat election, a candidate must ordinarily have attained which minimum age to contest?

  1. 30 years
  2. 18 years
  3. 25 years
  4. 21 years Correct answer.

Explanation

A person must have completed 21 years of age to be eligible for election to a Panchayat Raj institution, matching the qualification for contesting local body elections in most states. The voting age is 18, while 25 applies to the Lok Sabha and State Legislative Assemblies.

Question 3General Studies and Mental Ability

The Andhra Pradesh government's 'Rythu Bharosa' scheme is primarily designed to support farmers by providing which of the following?

  1. Free electricity to all agricultural pumpsets
  2. Crop insurance against drought only
  3. Direct investment support per acre of cultivated land Correct answer.
  4. Interest-free loans for tractors

Explanation

Rythu Bharosa provides direct investment support to farmers, credited per acre of cultivated land, to help meet input costs at the start of the crop season. It is a lump-sum assistance mechanism rather than a subsidy on power, insurance, or machinery loans.

Question 4General Studies and Mental Ability

The Krishna river flows through which of the following states before entering Andhra Pradesh and draining into the Bay of Bengal?

  1. Madhya Pradesh and Odisha
  2. Only Karnataka
  3. Maharashtra and Karnataka Correct answer.
  4. Tamil Nadu and Telangana

Explanation

The Krishna rises near Mahabaleshwar in Maharashtra, flows through Karnataka and then Telangana before entering Andhra Pradesh, finally emptying into the Bay of Bengal. Its upper catchment thus spans Maharashtra and Karnataka.

Question 5General Studies and Mental Ability

The Godavari delta region of Andhra Pradesh is best known for which principal commercial crop?

  1. Cotton
  2. Tea
  3. Coffee
  4. Rice (paddy) Correct answer.

Explanation

The Godavari delta, with its alluvial soils and canal irrigation, is one of the largest paddy-growing tracts in Andhra Pradesh and is often called the rice bowl of the state. Cotton is more associated with the uplands of Guntur and Kurnool, while tea and coffee are hill crops.

Question 6General Studies and Mental Ability

Which Article of the Constitution of India provides for the constitution of Panchayats as institutions of self-government?

  1. Article 243 Correct answer.
  2. Article 40
  3. Article 356
  4. Article 370

Explanation

Article 243, inserted by the 73rd Constitutional Amendment Act, provides for the constitution of Panchayats and sets out their powers and responsibilities. Article 40 is only a Directive Principle directing the State to organise village panchayats.

Question 7General Studies and Mental Ability

A Panchayat Secretary receives a file in Telugu and must forward a summary to a district office in English. Which action best reflects the official language policy in Andhra Pradesh administration?

  1. Refuse to process files not written in English
  2. Return the file as untranslatable
  3. Translate the summary accurately into English while retaining technical terms where needed Correct answer.
  4. Send the Telugu file without any summary

Explanation

Andhra Pradesh conducts administration in Telugu while English continues for inter-office and technical communication, so an accurate translation preserving technical terms is the correct approach. Refusing or bypassing the requirement would block administrative action.

Question 8General Studies and Mental Ability

Which of the following is the correct expanded form of the abbreviation 'DRDA' used in rural administration?

  1. District Rural Development Agency Correct answer.
  2. District Regional Development Audit
  3. Divisional Rural Dairy Association
  4. District Revenue Development Authority

Explanation

DRDA stands for District Rural Development Agency, the district-level society that implements rural development and poverty alleviation programmes. The other expansions do not correspond to any standard administrative body.

Question 9General Studies and Mental Ability

A gram panchayat wants to construct a check dam on a seasonal stream. Which sequence of administrative steps is most appropriate before work begins?

  1. Prepare an estimate, obtain technical sanction and administrative approval, then execute Correct answer.
  2. Start construction and seek approval afterwards
  3. Skip estimates because the work is small
  4. Obtain approval only from the contractor

Explanation

Public works require a prepared estimate, technical sanction from the engineering wing and administrative approval from the competent authority before execution. Starting work first or relying on a contractor's approval violates financial propriety.

Question 10General Studies and Mental Ability

In a panchayat general body, 60 members are present. A resolution is put to vote and 34 members support it. What is the outcome?

  1. The resolution fails because a quorum was not met
  2. The resolution fails because two-thirds support is required
  3. The resolution is carried because it has a simple majority Correct answer.
  4. The resolution is carried only with the chairperson's casting vote

Explanation

Ordinary resolutions in a panchayat body are decided by a simple majority of members present and voting, so 34 out of 60 is sufficient. A two-thirds requirement applies only to specific matters such as no-confidence motions, and the chairperson's casting vote is used only to break a tie.

Question 11General Studies and Mental Ability

The MGNREGA guarantees how many days of unskilled manual work per rural household per financial year?

  1. 50 days
  2. 100 days Correct answer.
  3. 75 days
  4. 150 days

Explanation

The Mahatma Gandhi National Rural Employment Guarantee Act guarantees at least 100 days of unskilled manual wage employment per rural household in a financial year. This is the statutory minimum demand-driven entitlement.

Question 12General Studies and Mental Ability

A mandal has 8,400 rural households and 5,600 persons registered as active MGNREGA workers. Which figure correctly represents the potential maximum person-days of guaranteed employment for the registered workers alone?

  1. 1,40,000 person-days
  2. 5,60,000 person-days Correct answer.
  3. 8,40,000 person-days
  4. 56,000 person-days

Explanation

Each registered household is entitled to 100 days, but the question restricts the calculation to registered workers as individuals, giving 5,600 × 100 = 5,60,000 person-days. The household figure of 8,400 would apply only if the guarantee were computed per household.

Question 13General Studies and Mental Ability

Which soil type, rich in iron and aluminium oxides and typically reddish in colour, covers large parts of the Rayalaseema region of Andhra Pradesh?

  1. Peaty soils
  2. Alluvial soils
  3. Black cotton soils
  4. Red sandy soils Correct answer.

Explanation

Red sandy soils, formed from the weathering of crystalline rocks and rich in iron oxides, dominate much of Rayalaseema and the upland tracts. Black cotton soils occur in the Krishna-Guntur belt, alluvial soils in the deltas, and peaty soils in Kerala's backwaters.

Question 14General Studies and Mental Ability

A farmer in a drought-prone mandal wants to reduce risk. Which combination of measures best represents a sound dryland farming strategy?

  1. Contour bunding, mulching and growing short-duration drought-tolerant varieties Correct answer.
  2. Flood irrigation with long-duration paddy
  3. Monocropping a single high-water crop every year
  4. Deep ploughing to expose subsoil moisture

Explanation

Dryland farming combines in-situ moisture conservation through contour bunding and mulching with short-duration, drought-tolerant crop varieties to match limited rainfall. High-water crops and practices that expose moisture increase risk rather than reduce it.

Question 15General Studies and Mental Ability

Which of the following is a Kharif crop in Andhra Pradesh, sown with the onset of the southwest monsoon?

  1. Mustard
  2. Barley
  3. Paddy Correct answer.
  4. Wheat

Explanation

Paddy is a classic Kharif crop in Andhra Pradesh, sown with the southwest monsoon rains from June onwards. Wheat, mustard and barley are Rabi crops grown in the cooler post-monsoon season.

Question 16General Studies and Mental Ability

A panchayat's annual budget shows receipts of Rs 12 lakh and expenditure of Rs 9 lakh. If 40 percent of the surplus is set aside as a reserve fund, what amount remains unallocated?

  1. Rs 1.2 lakh
  2. Rs 3 lakh
  3. Rs 2.4 lakh
  4. Rs 1.8 lakh Correct answer.

Explanation

The surplus is Rs 12 lakh minus Rs 9 lakh, equal to Rs 3 lakh. Forty percent of Rs 3 lakh is Rs 1.2 lakh set aside as reserve, leaving Rs 1.8 lakh unallocated.

Question 17General Studies and Mental Ability

In a sequence of village population figures, the numbers are 240, 300, 360 and 420. If the pattern continues, what is the next figure?

  1. 480 Correct answer.
  2. 460
  3. 490
  4. 500

Explanation

The series increases by a constant difference of 60, so adding 60 to 420 gives 480. This is an arithmetic progression with common difference 60.

Question 18General Studies and Mental Ability

A cooperative society has 60 percent of its 250 members engaged in agriculture. Of those engaged in agriculture, 40 percent grow paddy. How many members grow paddy?

  1. 60 Correct answer.
  2. 40
  3. 100
  4. 150

Explanation

Sixty percent of 250 is 150 members in agriculture. Forty percent of 150 is 60 members growing paddy.

Question 19General Studies and Mental Ability

Which of the following is a fundamental duty of citizens under Article 51A of the Constitution that is directly relevant to rural extension work?

  1. To protect and improve the natural environment including forests, lakes, rivers and wildlife Correct answer.
  2. To reside in the village of birth
  3. To join a political party
  4. To pay taxes promptly

Explanation

Article 51A includes the duty to protect and improve the natural environment, which aligns with extension work in soil, water and forest conservation. Paying taxes is a legal obligation rather than a listed fundamental duty, and the other options are not constitutional duties.

Question 20General Studies and Mental Ability

A district officer notices that a scheme's benefits are concentrated among large farmers. Which analytical conclusion best follows from this observation?

  1. The scheme is necessarily well targeted
  2. The data must be wrong because equity is automatic
  3. Large farmers are the intended beneficiaries under all schemes
  4. The selection criteria may be biased toward those with larger landholdings and need review Correct answer.

Explanation

Concentration of benefits among large farmers suggests the eligibility or outreach criteria may favour them, which calls for a review of targeting. Concluding automatic equity or assuming data error ignores the evidence.

Question 21General Studies and Mental Ability

Which of the following best explains why watershed development is considered central to rural livelihoods in the drought-prone districts of Andhra Pradesh?

  1. It guarantees higher market prices for all crops
  2. It eliminates the risk of drought entirely
  3. It replaces the need for any irrigation
  4. It conserves soil and rainwater, raising groundwater recharge and crop stability Correct answer.

Explanation

Watershed development works on soil and water conservation, which increases groundwater recharge and stabilises yields in rainfed areas. It cannot guarantee prices, replace irrigation or remove drought risk altogether.

Question 22General Studies and Mental Ability

A panchayat resolution conflicts with a mandatory provision of a state statute. Which principle governs the outcome?

  1. The resolution prevails because it is local
  2. The matter is decided by the contractor
  3. Both apply simultaneously without conflict
  4. The statutory provision prevails and the resolution is void to that extent Correct answer.

Explanation

A local body derives its powers from statute and cannot act contrary to mandatory statutory provisions, so a conflicting resolution is void to the extent of the inconsistency. Local autonomy operates within, not above, the parent law.

Question 23General Studies and Mental Ability

In a village of 1,200 adults, 55 percent are members of self-help groups. Of these, 25 percent have also received skill training. Approximately how many adults are both SHG members and trained?

  1. 135
  2. 165 Correct answer.
  3. 300
  4. 660

Explanation

Fifty-five percent of 1,200 is 660 SHG members. Twenty-five percent of 660 is 165 trained members.

Question 24General Studies and Mental Ability

A block has four villages with populations 800, 1,200, 1,600 and 2,400. A development grant of Rs 1,80,000 is to be distributed in proportion to population. What share goes to the largest village?

  1. Rs 36,000
  2. Rs 48,000
  3. Rs 72,000 Correct answer.
  4. Rs 60,000

Explanation

Total population is 6,000, so the largest village's share is 2,400/6,000 of Rs 1,80,000, which equals Rs 72,000. Proportional distribution uses each unit's fraction of the total.

Question 25General Studies and Mental Ability

An extension officer observes that farmers adopt a new seed variety only after seeing a neighbour's successful harvest, not after reading leaflets. Which communication principle does this illustrate?

  1. Innovation diffusion through opinion leaders and observability of results Correct answer.
  2. Linear top-down instruction as the only effective method
  3. Rejection of all new technology by farmers
  4. The irrelevance of demonstration plots

Explanation

Adoption spreading through visible neighbour success reflects diffusion theory, where observability and opinion leaders accelerate acceptance. It shows the value of demonstrations rather than the failure of extension or the irrelevance of plots.

Question 26General Studies and Mental Ability

Under the Andhra Pradesh Panchayat Raj Act, which body is the elected deliberative assembly at the village level that approves the annual budget of a gram panchayat?

  1. The mandal parishad
  2. The zilla parishad
  3. The gram panchayat Correct answer.
  4. The gram sabha

Explanation

The gram panchayat is the elected executive body at the village level and is empowered to place and approve its annual budget in its general body meeting. The gram sabha is the assembly of all registered voters and exercises oversight rather than budget approval through elected members. Mandal and zilla parishads operate at higher tiers.

Question 27General Studies and Mental Ability

A gram panchayat must prepare its annual budget and place it before the general body. Which officer is primarily responsible for preparing the budget estimates and maintaining the accounts of a gram panchayat?

  1. The panchayat secretary Correct answer.
  2. The mandal development officer
  3. The district collector
  4. The extension officer of the agriculture department

Explanation

The panchayat secretary is the executive officer at the village level who prepares budget estimates, maintains accounts and records, and places them before the elected body. Higher officials supervise and audit but do not prepare the village budget.

Question 28General Studies and Mental Ability

In the three-tier panchayat system of Andhra Pradesh, which tier functions at the intermediate level between the village and the district?

  1. The zilla parishad
  2. The gram sabha
  3. The mandal parishad Correct answer.
  4. The revenue divisional office

Explanation

The panchayat raj structure has three elected tiers: gram panchayat at the village level, mandal parishad at the intermediate level, and zilla parishad at the district level. The mandal parishad therefore occupies the middle tier.

Question 29General Studies and Mental Ability

The 73rd Constitutional Amendment Act, 1992, mandated the constitution of a State Finance Commission. What is the primary purpose of this commission?

  1. To review the financial position of panchayats and recommend devolution of funds Correct answer.
  2. To conduct elections to panchayat bodies
  3. To settle disputes between panchayats and line departments
  4. To audit the accounts of every gram panchayat annually

Explanation

The State Finance Commission is constituted every five years to review the financial position of panchayats and municipalities and to recommend principles for sharing taxes and grants between the state and local bodies. It is a recommendatory body on fiscal devolution, not an electoral or audit authority.

Question 30General Studies and Mental Ability

A gram panchayat wishes to levy a tax on the transfer of immovable property within its area. Which authority must empower it to do so?

  1. The Union Ministry of Panchayati Raj
  2. The gram sabha by unanimous resolution
  3. The district collector by notification
  4. The state legislature by law Correct answer.

Explanation

Local bodies can levy taxes only when the state legislature authorises them by law, as provided under the constitutional scheme for panchayat finances. A gram sabha resolution or an officer's notification cannot by itself create a taxing power.

Question 31General Studies and Mental Ability

An extension officer is asked to explain the difference between a 'scheme' and a 'programme' in rural development administration. Which statement best captures the distinction?

  1. A scheme is always funded by the Union government while a programme is funded by the state
  2. A programme is a broad framework of objectives while a scheme is a specific, time-bound intervention within it Correct answer.
  3. A programme is temporary while a scheme is permanent
  4. A scheme covers the whole district while a programme covers only one village

Explanation

In administrative usage a programme sets broad developmental objectives and a scheme is a concrete, often time-bound intervention designed to achieve part of those objectives. Funding source and geographic coverage do not define the distinction.

Question 32General Studies and Mental Ability

Which of the following is the nodal agency at the district level in Andhra Pradesh for implementing rural development programmes such as MGNREGA and PMAY-G?

  1. The Zilla Grandhalaya Samstha
  2. The District Rural Development Agency Correct answer.
  3. The District Industries Centre
  4. The District Cooperative Central Bank

Explanation

The District Rural Development Agency is the district-level implementing agency for major rural development programmes, working under the district collector and the zilla parishad. Banks, library authorities and industries centres perform different functions.

Question 33General Studies and Mental Ability

Under MGNREGA, which document is issued to a registered household recording the members entitled to demand work and serving as the basis for wage payment?

  1. The job card Correct answer.
  2. The Aadhaar enrolment slip
  3. The pattadar passbook
  4. The ration card

Explanation

The job card is issued to every registered rural household under MGNREGA and records the adult members who may demand work; it is the basis for allocating work and paying wages. Ration cards relate to food security and pattadar passbooks to land records.

Question 34General Studies and Mental Ability

A registered MGNREGA worker in a village is not provided work within fifteen days of demanding it in writing. What is the consequence prescribed by the Act?

  1. The worker is entitled to an unemployment allowance at the rate fixed by the state Correct answer.
  2. The worker must approach the gram sabha for compensation
  3. The worker loses the right to demand work for that year
  4. The worker is shifted to a nearby district at government cost

Explanation

MGNREGA makes the state liable to pay an unemployment allowance if work is not provided within fifteen days of a valid written demand. This transforms the statutory promise into an enforceable entitlement rather than a discretionary benefit.

Question 35General Studies and Mental Ability

In MGNREGA works, the wage-material ratio is prescribed so that a minimum share of expenditure goes to unskilled labour. Which statement correctly describes the general rule for material component?

  1. Material component must not exceed forty per cent of the total project cost Correct answer.
  2. Material component is not permitted in any MGNREGA work
  3. Material component must be at least sixty per cent of the total project cost
  4. Material component is fixed at exactly ten per cent for every work

Explanation

MGNREGA guidelines generally require that at least sixty per cent of the cost of a work goes to unskilled wages, which means the material component is normally capped at about forty per cent. This protects the programme's character as an employment guarantee rather than a construction programme.

Question 36General Studies and Mental Ability

Which soil conservation measure is most suitable for reducing the velocity of runoff on a long cultivated slope in a semi-arid mandal of Andhra Pradesh?

  1. Ploughing along the slope direction
  2. Laying out graded bunds and vegetative strips across the slope Correct answer.
  3. Construction of a percolation tank at the bottom of the slope
  4. Deep summer ploughing of the entire field

Explanation

Graded bunds and vegetative strips placed across the slope break the length of the slope and slow runoff, allowing infiltration and reducing soil loss. Structures at the bottom collect water but do not protect the slope itself, and ploughing along the slope accelerates erosion.

Question 37General Studies and Mental Ability

In Andhra Pradesh, black cotton soil is valued for a particular property that makes it difficult to cultivate immediately after heavy rain. Which property is this?

  1. High permeability that drains water quickly
  2. Very low clay content
  3. High content of coarse sand
  4. High swelling and shrinking on wetting and drying Correct answer.

Explanation

Black cotton soils are rich in montmorillonite clay, which swells when wet and develops deep cracks when dry. This makes tillage difficult soon after rain and causes churning of the soil, which can uproot young plants.

Question 38General Studies and Mental Ability

A farmer wants to follow crop rotation to maintain soil fertility in a rainfed field. Which rotation is agronomically most appropriate?

  1. Paddy followed by paddy
  2. Maize followed by maize
  3. Cotton followed by cotton
  4. Groundnut followed by red gram Correct answer.

Explanation

A cereal or oilseed followed by a legume such as red gram restores nitrogen through biological fixation and breaks pest cycles. Continuous cropping of the same crop depletes specific nutrients and encourages soil-borne pests.

Question 39General Studies and Mental Ability

Which of the following is an example of a contingent crop suited to late sowing when the onset of monsoon is delayed in a rainfed area?

  1. Long-duration red gram
  2. Short-duration cowpea Correct answer.
  3. Long-duration sugarcane
  4. Perennial mango

Explanation

Contingent crops are short-duration varieties that can be sown late and still mature within the remaining season. Short-duration cowpea fits this role, whereas long-duration and perennial crops require a full season.

Question 40General Studies and Mental Ability

A village has a population of 1,500. In a sample survey, 45 per cent of the people reported using a soil health card. How many people in the village is this?

  1. 675 Correct answer.
  2. 625
  3. 575
  4. 725

Explanation

Forty-five per cent of 1,500 is computed as 1,500 multiplied by 45 and divided by 100, which equals 675. The remaining 55 per cent, or 825 people, did not report using the card.

Question 41General Studies and Mental Ability

A sum of Rs 8,000 is invested under a rural livelihood scheme at 10 per cent simple interest per annum. What is the total amount after three years?

  1. Rs 9,600
  2. Rs 10,400 Correct answer.
  3. Rs 11,200
  4. Rs 8,800

Explanation

Simple interest equals principal multiplied by rate multiplied by time divided by 100, giving 8,000 x 10 x 3 / 100 = Rs 2,400. Adding this to the principal of Rs 8,000 gives a total of Rs 10,400.

Question 42General Studies and Mental Ability

In a village, the ratio of male to female members of a self-help group federation is 5:3. If there are 320 members in all, how many are female?

  1. 200
  2. 240
  3. 120 Correct answer.
  4. 160

Explanation

The total of the ratio parts is 5 plus 3, equal to 8. Each part is 320 divided by 8, equal to 40, so the female members, represented by 3 parts, number 120.

Question 43General Studies and Mental Ability

A panchayat's water tank can be filled by one inlet pipe in 6 hours and by another in 12 hours. If both pipes are opened together, how long will the tank take to fill?

  1. 9 hours
  2. 5 hours
  3. 4 hours Correct answer.
  4. 3 hours

Explanation

The first pipe fills one-sixth of the tank per hour and the second one-twelfth, so together they fill one-sixth plus one-twelfth, equal to one-fourth, of the tank per hour. The tank therefore fills in 4 hours.

Question 44General Studies and Mental Ability

A development officer travels 60 km at 30 km per hour and returns along the same route at 20 km per hour. What is the average speed for the whole journey?

  1. 25 km per hour
  2. 26 km per hour
  3. 24 km per hour Correct answer.
  4. 28 km per hour

Explanation

For equal distances covered at two speeds, the average speed is the harmonic mean, computed as twice the product of the speeds divided by their sum. That gives 2 x 30 x 20 divided by 50, equal to 24 km per hour.

Question 45General Studies and Mental Ability

Which Article of the Constitution of India abolishes untouchability and forbids its practice in any form?

  1. Article 17 Correct answer.
  2. Article 15
  3. Article 14
  4. Article 21

Explanation

Article 17 abolishes untouchability and makes its practice in any form a punishable offence. This right is available against private persons as well as the state, which distinguishes it from the general equality provisions.

Question 46General Studies and Mental Ability

A state government wishes to reserve seats for women in panchayat bodies. Which provision of the Constitution expressly supports such reservation?

  1. Article 243D Correct answer.
  2. Article 243G
  3. Article 243E
  4. Article 243I

Explanation

Article 243D provides for reservation of seats for Scheduled Castes and Scheduled Tribes and mandates that not less than one-third of the total seats be reserved for women. The other articles in Part IX deal with duration, powers and finance.

Question 47General Studies and Mental Ability

An extension officer finds that a new pest-control practice spread rapidly after a few influential farmers adopted it and their neighbours followed. This pattern of adoption is best explained by which concept?

  1. Innovation diffusion through opinion leaders Correct answer.
  2. Random selection of technology
  3. Coercive enforcement by the department
  4. Market price determination

Explanation

Diffusion of innovations theory explains how new practices spread through a social system, with opinion leaders and early adopters influencing later adopters through observation and trust. The described pattern is a classic example of this process.

Question 48General Studies and Mental Ability

An extension officer wants to assess whether a training programme actually increased farmers' knowledge. Which method provides the strongest evidence?

  1. Comparing pre-training and post-training test scores of the same participants Correct answer.
  2. Counting the number of participants who attended
  3. Recording the opinions of village elders about the training
  4. Counting the number of leaflets distributed

Explanation

A pre-test and post-test design measures knowledge before and after the intervention for the same group, allowing the change to be attributed to the training. Attendance or output counts show activity, not learning outcomes.

Question 49General Studies and Mental Ability

A watershed development project reports that groundwater levels rose but small farmers' incomes did not increase. Which interpretation is most defensible?

  1. Income data should be ignored in favour of physical indicators
  2. Watershed development never benefits small farmers
  3. Benefits may have accrued to farmers with larger holdings and better access to wells Correct answer.
  4. Groundwater data must be wrong because incomes did not rise

Explanation

A rise in groundwater with no income gain for small farmers suggests that the benefits were captured unevenly, often by those with larger holdings, borewells and market access. This calls for examining equity in benefit sharing rather than dismissing either indicator.

Question 50General Studies and Mental Ability

A district has 240 villages. A scheme is to be implemented in a sample of 15 per cent of the villages, and within each selected village 40 households are to be surveyed. How many households will be surveyed in total?

  1. 1,800
  2. 1,440 Correct answer.
  3. 1,200
  4. 1,600

Explanation

Fifteen per cent of 240 villages is 36 villages. Surveying 40 households in each of these gives 36 multiplied by 40, equal to 1,440 households.