UP Police Head Constable (Ministerial) cheat sheet

Article 21A (86th Amendment, 2002) makes free and compulsory education a Fundamental Right for ages 6-14; implemented via the Right to Education Act, 2009.

The Governor of a state is appointed by the President under Article 155 and holds office during the President's pleasure; the normal term is five years.

The Tropic of Cancer passes through eight Indian states: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura and Mizoram.

Fundamental Duties were added by the 42nd Amendment (1976) on the Swaran Singh Committee's recommendation, in Article 51A.

The Reserve Bank of India was nationalised in 1949; its first Governor was Sir Osborne Smith, and the first Indian Governor was C. D. Deshmukh.

Uttar Pradesh is India's most populous state; its capital is Lucknow, and the High Court sits at Prayagraj (Allahabad).

The Election Commission of India is a constitutional body under Article 324; the Chief Election Commissioner can be removed only like a Supreme Court judge.

Current affairs anchors: track the Union Budget (February 1), the Economic Survey, RBI monetary policy statements and the annual UP Budget presented in the state legislature.

संधि: स्वर संधि (दीर्घ, गुण, वृद्धि, यण, अयादि), व्यंजन संधि और विसर्ग संधि - जैसे विद्या + आलय = विद्यालय (दीर्घ संधि)।

समास के छह भेद: अव्ययीभाव, तत्पुरुष, कर्मधारय, द्विगु, द्वंद्व और बहुव्रीहि; 'चौराहा' द्विगु समास का उदाहरण है।

उपसर्ग अर्थ बदलते हैं: अनु (पीछे/समान), अप (बुरा), प्रति (विरुद्ध), वि (विशेष/विपरीत); प्रत्यय दो प्रकार - कृत् और तद्धित।

वाक्य के अंग: उद्देश्य और विधेय; रचना के आधार पर सरल, संयुक्त और मिश्र वाक्य।

अलंकार: अनुप्रास (वर्ण आवृत्ति), उपमा (सादृश्य), रूपक (अभेद आरोप), उत्प्रेक्षा (संभावना), यमक (भिन्न अर्थ में शब्द आवृत्ति)।

रस के नौ भेद हैं; श्रृंगार, हास्य, करुण, रौद्र, वीर, भयानक, बीभत्स, अद्भुत और शांत।

शब्द शक्ति तीन हैं: अभिधा (मुख्य अर्थ), लक्षणा (लाक्षणिक अर्थ) और व्यंजना (सूचित अर्थ)।

वर्तनी और मुहावरे पर ध्यान दें: 'परिश्रम' का अर्थ श्रम है, 'परिश्रम करना' मुहावरा नहीं; 'आँख का तारा' का अर्थ है अत्यंत प्रिय व्यक्ति।

Subject-verb agreement: 'one of + plural noun' takes a singular verb, as in 'One of the boys is absent'.

Articles: 'a' before consonant sounds, 'an' before vowel sounds, so 'an hour' and 'a university' are correct.

Active to passive: object becomes subject, verb becomes be + past participle, and the agent is marked by 'by'.

Conditionals: Type 1 (if + present, will + base), Type 2 (if + past, would + base), Type 3 (if + had + past participle, would have + past participle).

Prepositions of time: 'in' for months/years, 'on' for days/dates, 'at' for clock times; 'since' marks a point, 'for' a duration.

Direct to indirect speech: present tense shifts to past, 'this' to 'that', 'today' to 'that day', and question order becomes statement order.

Idioms: 'to let the cat out of the bag' means to reveal a secret; 'a bolt from the blue' means a sudden shock.

Common confusions: 'affect' is usually a verb, 'effect' usually a noun; 'principal' means main or head, 'principle' means a rule.

Average = sum of values / number of values; if every value rises by k, the average rises by k.

Percentage change = (new − old)/old × 100; successive changes of a% and b% give a net change of a + b + ab/100 percent.

Simple interest = P × R × T / 100; compound interest = P[(1 + R/100)^T − 1].

Profit% = profit/Cost Price × 100; if an item is sold at a loss of x%, Selling Price = Cost Price × (100 − x)/100.

Speed conversion: multiply km/h by 5/18 to get m/s; time = distance/speed, with units kept consistent.

Train crossing a platform: total distance = train length + platform length; crossing a pole uses only train length.

Ratio and mixture: alligation rule - ratio of quantities = (mean price − cheaper)/(dearer − mean price).

Time and work: if A finishes in x days and B in y days, together they take xy/(x + y) days; efficiency is inversely proportional to time.

Number series: check differences, then ratios, then squares/cubes and alternating patterns before assuming a single rule.

Coding-decoding: write the alphabet with positions 1-26; reverse position = 27 − forward position (A=26, Z=1).

Blood relations: draw a family tree with gender symbols; 'brother of my father' is uncle, 'son of my mother's brother' is cousin.

Direction sense: net displacement uses Pythagoras; two perpendicular moves of 3 km and 4 km give 5 km.

Syllogism: a conclusion is valid only if it holds in every possible Venn diagram of the premises; 'some A are B' does not imply 'some B are A' is false - it is true.

Clock problems: angle between hands = |30H − 5.5M| degrees; hands coincide 11 times in 12 hours.

Calendar: a normal year shifts the day by 1, a leap year by 2; a century year is a leap year only if divisible by 400.

Seating arrangement: fix the person with the most constraints first, then place others relative to that anchor.

MS Word shortcuts: Ctrl+S save, Ctrl+P print, Ctrl+Z undo, Ctrl+Y redo, Ctrl+F find, Ctrl+A select all.

Excel: a formula begins with '='; '$A$1' is an absolute reference, 'A1' relative; SUM, AVERAGE, COUNT and IF are core functions.

Typing speed in words per minute = (total characters typed / 5) / minutes; the standard word is five characters including spaces.

Touch typing home row: left hand on A S D F, right hand on J K L semicolon; the F and J keys carry raised bumps.

Computer generations: first used vacuum tubes, second transistors, third integrated circuits, fourth microprocessors; fifth is AI-oriented.

Memory units: 1 byte = 8 bits, 1 KB = 1024 bytes, 1 MB = 1024 KB, 1 GB = 1024 MB.

Shortcuts: Ctrl+C copy, Ctrl+V paste, Ctrl+X cut, Ctrl+Shift+N new folder in Windows, Alt+Tab switch windows, Ctrl+Backspace deletes a whole word.

Hindi typing: Remington GAIL and Inscript are common layouts; Krutidev and Mangal are widely used fonts for Devanagari output.

The Constitution of India was adopted on 26 November 1949 and came into force on 26 January 1950.

The Preamble declares India a sovereign, socialist, secular, democratic republic; 'socialist' and 'secular' were added by the 42nd Amendment.

Fundamental Rights are in Articles 12-35; the Right to Constitutional Remedies (Article 32) was called the heart and soul of the Constitution by Ambedkar.

The Directive Principles of State Policy (Articles 36-51) are non-justiciable but fundamental in governance.

The President is elected by an electoral college under Article 54; the Vice-President is the ex-officio Chairman of the Rajya Sabha.

Uttar Pradesh has 80 Lok Sabha seats and 31 Rajya Sabha seats, the highest of any state.

National symbols: the national bird is the peacock, the national animal the tiger, the national flower the lotus and the national fruit the mango.

Current-affairs habit: note appointments, awards (Bharat Ratna, Padma), sports champions, summits and new schemes with their launch year.

वर्ण विचार: स्वर 11, व्यंजन 33, संयुक्त व्यंजन 4 (क्ष, त्र, ज्ञ, श्र); अनुनासिक चिह्न चंद्रबिंदु है।

संज्ञा के पाँच भेद: व्यक्तिवाचक, जातिवाचक, भाववाचक, समूहवाचक और द्रव्यवाचक।

सर्वनाम के छह भेद: पुरुषवाचक, निजवाचक, निश्चयवाचक, अनिश्चयवाचक, प्रश्नवाचक और संबंधवाचक।

काल तीन प्रकार के हैं - वर्तमान, भूत और भविष्य; प्रत्येक के सामान्य, अपूर्ण, पूर्ण और संदिग्ध रूप होते हैं।

वाच्य तीन प्रकार: कर्तृवाच्य, कर्मवाच्य और भाववाच्य; कर्मवाच्य में क्रिया कर्म के अनुसार बदलती है।

मुहावरे और लोकोक्तियाँ अलग हैं: मुहावरा वाक्यांश है, लोकोक्ति पूर्ण वाक्य; 'नौ-दो ग्यारह होना' मुहावरा है।

पत्र लेखन के भाग: प्रेषक का पता, दिनांक, प्राप्तकर्ता का पता, विषय, संबोधन, मुख्य भाग और हस्ताक्षर।

तत्सम शब्द संस्कृत से सीधे आए (अग्नि), तद्भव बदले रूप में (आग), और विदेशी शब्द फारसी/अंग्रेजी से (किताब, स्कूल)।

Tenses: present perfect uses 'has/have + past participle' for an action with present relevance; past perfect uses 'had + past participle' for the earlier of two past actions.

Modals: 'can' ability, 'may' permission/possibility, 'must' obligation, 'should' advice; 'could' and 'would' also mark politeness.

Clauses: a defining relative clause takes no comma and uses 'that' or 'who'; a non-defining clause takes commas and never 'that'.

Synonyms and antonyms are best learned in pairs: 'benevolent' (kind) vs 'malevolent' (cruel); 'frugal' (thrifty) vs 'extravagant'.

One-word substitutions: 'altruist' (selfless person), 'ephemeral' (short-lived), 'invincible' (unconquerable), 'philanthropist' (charity giver).

Spelling rules: drop silent 'e' before a vowel suffix (make → making) but keep it before a consonant suffix (hope → hopeful).

Voice with modals: 'can do' becomes 'can be done'; 'must finish' becomes 'must be finished'.

Punctuation: a semicolon joins two independent clauses; an apostrophe marks possession (students' books) or contraction (don't).

HCF × LCM = product of the two numbers; use it to find one when the other three values are known.

Divisibility: by 3 if digit sum is divisible by 3; by 8 if the last three digits form a number divisible by 8; by 11 if the alternating digit sum difference is 0 or a multiple of 11.

Simple interest doubles a sum in T years when R × T = 100.

Area formulas: circle πr², triangle ½ × base × height, trapezium ½(a + b)h, rectangle l × b; perimeter of a circle is 2πr.

Boats and streams: downstream speed = boat + stream, upstream = boat − stream; time = distance/speed.

Simple and compound interest: compound interest exceeds simple interest from the second year onward for the same rate.

Probability of an event = favourable outcomes / total outcomes; the sum of all outcome probabilities is 1.

Partnership: profit shares are proportional to capital × time; convert periods to the same unit before comparing.

Alphabet series: EJOTY marks positions 5, 10, 15, 20, 25 - useful for quick letter-position recall.

Analogy: identify the relation type first (part-whole, cause-effect, synonym, worker-tool) and apply it in the same direction.

Odd one out: check for a shared property such as all primes, all squares, all capitals or all units of measurement.

Syllogism rules: 'All A are B' plus 'All B are C' gives 'All A are C'; 'No A is B' plus 'All C are A' gives 'No C is B'.

Mirror image: left and right interchange, top and bottom stay; water image reverses top and bottom.

Paper folding and cutting: unfold mentally in reverse order, mirroring the pattern at each fold line.

Ranking: if a person is nth from the left and mth from the right, total = n + m − 1.

Statement and assumption: an assumption is valid only if it is necessary for the statement, not merely likely.

Hardware: CPU has ALU, control unit and registers; RAM is volatile, ROM is non-volatile.

Input devices include keyboard, mouse, scanner and microphone; output devices include monitor, printer and speaker.

Operating system functions: process management, memory management, file management and device management.

Internet basics: HTTP/HTTPS for web, FTP for file transfer, SMTP for sending mail, POP3/IMAP for receiving mail.

Email fields: To (primary recipient), Cc (carbon copy, visible), Bcc (blind copy, hidden from other recipients).

MS Excel cell reference types: relative (A1), absolute ($A$1) and mixed ($A1 or A$1).

Typing accuracy = (correct characters / total characters typed) × 100; accuracy matters alongside speed in skill tests.

File extensions: .docx Word, .xlsx Excel, .pptx PowerPoint, .pdf portable document, .exe executable.

The Indian Constitution originally had 395 Articles in 22 Parts and 8 Schedules; it now has more than 440 Articles and 12 Schedules.

The Supreme Court of India was established on 26 January 1950; the first Chief Justice was Harilal J. Kania.

The Governor is appointed by the President, but the Chief Minister is appointed by the Governor and is responsible to the state legislature.

The 73rd and 74th Amendments (1992) gave constitutional status to Panchayati Raj and urban local bodies.

Lok Sabha members are elected for five years; the Rajya Sabha is a permanent house with one-third of members retiring every two years.

Uttar Pradesh borders eight states and one country (Nepal); it is India's largest state by population.

Important days: 26 January Republic Day, 15 August Independence Day, 2 October Gandhi Jayanti, 26 November Constitution Day.

For current affairs, verify the year of each event: schemes, appointments and awards change frequently, so the year is part of the fact.

क्रिया के भेद: सकर्मक (कर्म लेती है) और अकर्मक (कर्म नहीं लेती); 'राम ने पत्र लिखा' सकर्मक है।

विशेषण के भेद: गुणवाचक, संख्यावाचक, परिमाणवाचक और सार्वनामिक; 'दो लड़के' में संख्यावाचक विशेषण है।

अव्यय शब्द अपरिवर्तित रहते हैं: क्रिया-विशेषण, संबंधबोधक, समुच्चयबोधक और विस्मयादिबोधक।

संधि विच्छेद: सूर्य + उदय = सूर्योदय (गुण संधि); एक + एक = एकैक (वृद्धि संधि का उदाहरण)।

शब्दों के प्रकार: रूढ़ (जैसे पेड़), यौगिक (जैसे पाठशाला) और योगरूढ़ (जैसे जलज का अर्थ कमल)।

संक्षेपण और सारांश लेखन में मूल भावना रखें और अनावश्यक विस्तार हटाएँ।

अनुस्वार और अनुनासिक का अंतर: अनुस्वार बिंदु है, अनुनासिक चंद्रबिंदु; उच्चारण में नासिका का प्रयोग होता है।

विलोम और पर्यायवाची याद करें: 'अंधकार' का विलोम 'प्रकाश'; 'सूर्य' के पर्यायवाची रवि, भानु, दिनकर और आदित्य हैं।

Sentence correction: check subject-verb agreement, tense consistency, pronoun reference and parallelism before word choice.

'Each', 'every', 'either' and 'neither' take singular verbs: 'Neither of the answers is correct'.

Gerund vs infinitive: verbs like 'enjoy', 'avoid' and 'mind' take -ing; verbs like 'decide', 'hope' and 'want' take 'to + base'.

Prefixes and suffixes: 'un-', 'dis-', 'mis-' negate; '-ness', '-ment', '-tion' form nouns; '-ful', '-less' form adjectives.

Phrasal verbs: 'put off' postpone, 'call off' cancel, 'give in' surrender, 'look into' investigate, 'take after' resemble.

Error spotting: a sentence with 'hardly', 'scarcely' or 'no sooner' pairs with 'when' or 'than' and uses inverted word order.

Reading comprehension: locate the answer in the passage, not from outside knowledge; watch qualifiers like 'always', 'never' and 'only'.

Formal writing: avoid contractions and slang; use full forms and a clear subject line in official letters.