RBI Security Guard cheat sheet

RBI was established on 1 April 1935 under the Reserve Bank of India Act, 1934, on the recommendation of the Hilton Young Commission; it was nationalised on 1 January 1949.

The RBI's central office moved from Kolkata to Mumbai in 1937; its first Governor was Sir Osborne Smith and the first Indian Governor was C. D. Deshmukh.

Monetary policy is set by the six-member Monetary Policy Committee (MPC): three RBI members including the Governor as chair, and three external members; the inflation target is 4% CPI with a 2%-6% tolerance band.

Key rates: repo is the rate at which RBI lends to banks against securities; reverse repo absorbs liquidity; CRR is the cash reserve ratio kept with RBI; SLR is held in approved securities.

Banking regulation is governed by the Banking Regulation Act, 1949; the RBI's Department of Supervision inspects banks, and the first bank nationalisation (14 banks) occurred in 1969.

Important national institutions: SEBI (1988, statutory 1992) regulates securities markets; IRDAI regulates insurance; NABARD (1982) handles rural credit; SIDBI (1990) handles MSME finance.

Indian currency notes are issued under the RBI Act with the Governor's signature; the ₹1 note is issued by the Government of India, and coins are minted by the Government.

Static GK frequently tested: fundamental duties (42nd Amendment, 1976), the Right to Education (86th Amendment, 2002), and the capitals/states pairing of all 28 states and 8 union territories.

Alphabet positions: A=1 … Z=26; for reverse position use 27 minus the forward position (A=26, Z=1). EJOTY (5,10,15,20,25) gives quick anchors for E, J, O, T, Y.

Blood relations: draw a family tree with gender markers; vertical lines show generations, horizontal lines show siblings/spouse. Never assume gender from a name or role alone.

Direction sense: fix north upward and track net displacement; for two perpendicular moves use Pythagoras (shortest distance = √(x²+y²)).

Series rules to test in order: constant difference, increasing difference, multiplication, alternating two-series, squares/cubes, and prime-based jumps.

Coding-decoding: check letter-shift (+n/-n), reverse alphabet, positional sums, and word reversal before assuming a complex rule; verify the rule against every given example.

Syllogism: apply the Venn method; 'All A are B' does not imply 'All B are A'. A conclusion is valid only if true in every possible diagram.

Order and ranking: if a person is nth from the left and mth from the right, total = n + m − 1; for two people, total = (sum of positions from one side) + (gap between them).

Seating arrangement: for a circle, facing centre means left is clockwise; facing outward means left is anticlockwise. Fix one person first to anchor the arrangement.

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 amount = P(1 + R/100)^T, and CI = Amount − P.

Profit and loss: profit% = profit/CP × 100; selling price = CP × (100 + profit%)/100; discount is always calculated on marked price.

Speed, time, distance: distance = speed × time; to convert km/h to m/s multiply by 5/18, and m/s to km/h multiply by 18/5.

Boats and streams: downstream speed = boat + stream, upstream = boat − stream; boat speed = (down + up)/2, stream speed = (down − up)/2.

Average = sum of values / number of values; if every value increases by k, the average increases by k, and total = average × count.

Ratio and proportion: if a:b = c:d then ad = bc; to divide a sum in ratio a:b:c, use parts = a + b + c and value per part = total/parts.

Time and work: if A finishes in x days and B in y days, together they take xy/(x + y) days; work rate is the reciprocal of time taken.

Mensuration: area of circle = πr², circumference = 2πr; area of rectangle = l × b; volume of cylinder = πr²h; volume of sphere = (4/3)πr³.

Subject-verb agreement: a singular subject takes a singular verb; with 'either…or' and 'neither…nor' the verb agrees with the nearer subject.

Articles: 'a' before consonant sounds, 'an' before vowel sounds (an hour, a university); 'the' is used for unique things and superlatives.

Tenses: present perfect (has/have + past participle) is used for past actions with present relevance; past perfect (had + past participle) marks the earlier of two past actions.

Prepositions of time: 'in' for months, years and long periods; 'on' for days and dates; 'at' for exact times and night.

Common error traps: 'one of the' takes a plural noun and a singular verb; 'each', 'every' and 'everyone' are singular; 'furniture', 'information' and 'advice' are uncountable.

Active to passive: object becomes subject, verb becomes be + past participle, and the agent is introduced by 'by'; tense of the original is preserved.

Direct to indirect speech: change pronouns to match the reporter, shift tense one step back, and convert question word order to statement order without a question mark.

Synonyms and antonyms are best judged by the word's part of speech and context; idioms such as 'at the eleventh hour' (very late) and 'a bolt from the blue' (sudden shock) are tested directly.