IDBI JAM flashcards

32 cards. Read the term and the definition here. The deck at the top of this page is optional.

Syllogism validity rule

A conclusion follows only if it is true in every possible Venn diagram of the premises. If one arrangement makes it false, the conclusion does not follow.

Ranking formula in a row

If a person is nth from the left and mth from the right, total people N equals n + m - 1, provided the ranks are counted from opposite ends of the same row.

Circular arrangement facing centre

When people face the centre, a person's left is clockwise and right is anticlockwise. When they face outward, swap the two directions.

Opposite letter code

In the English alphabet, letters whose position numbers sum to 27 are opposites: A-Z, B-Y, C-X. This pattern often appears in coding-decoding questions.

Inequality chain conclusion

In A > B >= C, the valid conclusions are A > C and B >= C. A conclusion of A >= C is not guaranteed because the chain gives strict inequality.

Blood relation tree convention

Draw generations vertically and marriages horizontally. Mark gender with symbols and never assume gender from a name; only stated relations fix it.

Direction sense distance

Track movement on a coordinate grid with North positive y and East positive x. Straight-line distance from start is the square root of x squared plus y squared.

Either-or clue in puzzles

A clue stating that two options are possible must be tested in both branches. Do not fix one assignment until the other branch contradicts a remaining clue.

RBI establishment facts

The Reserve Bank of India was established on 1 April 1935 under the RBI Act 1934 and was nationalised on 1 January 1949.

Inflation target band

India's flexible inflation targeting framework sets CPI inflation at 4 percent, with a tolerance band of 2 to 6 percent, decided by the Monetary Policy Committee.

Monetary Policy Committee size

The MPC has six members: three from the RBI, including the Governor, and three appointed by the central government. The Governor holds the casting vote.

Priority sector lending target

Commercial banks must lend 40 percent of adjusted net bank credit to priority sectors, including 18 percent to agriculture and 7.5 percent to micro enterprises.

CRR and SLR meaning

CRR is the share of net demand and time liabilities kept as cash with the RBI. SLR is held in approved securities such as government bonds.

IDBI Bank origin

IDBI was set up in 1964 as a development finance institution, converted into a bank in 2004, and LIC became its majority shareholder in 2019.

GDP versus GVA

GDP at market prices equals GVA at basic prices plus product taxes minus product subsidies. GVA measures output from the producer's side.

SEBI and IRDAI roles

SEBI regulates the securities market and was given statutory powers in 1992. IRDAI, established in 1999, regulates the insurance sector.

Finance Commission article

Article 280 of the Constitution provides for a Finance Commission, constituted every five years to recommend sharing of taxes between the Union and states.

One of plus plural noun

In 'one of the + plural noun + verb', the verb agrees with 'one' and stays singular, as in 'one of the boys is present'.

Article before vowel sound

Use 'an' before a vowel sound, not a vowel letter: an hour, an MLA, an honest man. Use 'a' before consonant sounds such as a university.

Since with ongoing action

With 'since' or 'for' describing an action continuing to the present, use present perfect continuous: 'She has been working here since 2019'.

Comprise usage rule

'Comprise' means 'consist of' and takes a direct object with no 'of'. Write 'the team comprises five members', not 'comprises of'.

Affect versus effect

'Affect' is usually a verb meaning to influence. 'Effect' is usually a noun meaning a result, as in 'the effect of the policy'.

Para jumble opening sentence

The first sentence usually has no pronoun or connector pointing backwards. It introduces the topic with full nouns and can stand alone.

At the eleventh hour

An idiom meaning at the last possible moment, just before a deadline. Example: the deal was cleared at the eleventh hour.

Successive percentage change

Two successive changes of a percent and b percent give a net change of a + b + ab/100. A 10 percent rise then fall gives a 1 percent fall.

Equal gain and loss trap

Two articles sold at the same selling price, one at x percent gain and one at x percent loss, always produce a net loss of x squared divided by 100 percent.

CI minus SI two years

For two years, the difference between compound and simple interest equals P times R divided by 100, squared, where P is principal and R the annual rate.

Average speed equal distances

When equal distances are covered at speeds a and b, average speed is 2ab divided by a plus b, not the arithmetic mean of the speeds.

Boat and stream formulas

Downstream speed is boat plus stream and upstream is boat minus stream. Boat speed is their average; stream speed is half their difference.

Combined work time

If A finishes in x days and B in y days, working together they take xy divided by x plus y days, assuming no change in efficiency.

Alligation ratio rule

To mix two items at prices c and d to get mean price m, the quantity ratio is mean minus cheaper to dearer minus mean.

Repeated replacement formula

If a vessel of volume V has pure liquid and n times a quantity r is removed and replaced with water, remaining pure is initial times (1 - r/V) to the power n.