Federal Bank Office Assistant cheat sheet

Syllogism: 'All A are B' is not reversible as 'All B are A'; its conventional converse is 'Some B are A'. 'Some A are B' and 'No A is B' are reversible.

Blood relations: use a family tree with vertical parent-child links, horizontal sibling/spouse links, and explicit gender marks; never infer gender from a name or occupation.

Direction: facing north, left is west and right is east; facing south, left is east and right is west. Net displacement uses perpendicular components.

Inequality either-or: two conclusions form an either-or pair only when they share subject and predicate, cannot both be true, and together exhaust all possible orderings.

Circular arrangement: facing the centre, left is clockwise; facing outside, left is anticlockwise. Fix one person to break rotational symmetry.

Linear ranking: total persons = left rank + right rank minus 1 when both ranks refer to the same person; persons between two people = difference in ranks minus 1.

Coding-decoding: number letters A=1 to Z=26; reverse position = 27 minus forward position; test constant, alternating, and positional shifts.

Alphanumeric series: classify symbols, digits, and letters separately; for 'how many such pairs' count adjacent and specified-direction pairs exactly as asked.

Percentage: successive changes a% then b% give a net change of a + b + ab/100 percent; a decrease is negative.

Profit/loss: SP = CP × (1 ± profit%/100). Discount is on marked price: SP = MP × (1 minus discount%/100).

Simple interest = PRT/100. Compound interest = P[(1 + R/100)^T minus 1]. For two years, CI minus SI = P(R/100)^2.

Partnership: profit ratio = capital × time. Ratio and proportion: if a:b = c:d, then ad = bc.

Average = sum of observations / number of observations; combined average = (n1x1 + n2x2)/(n1+n2).

Speed: km/h to m/s multiply by 5/18. Train passing a pole takes length/speed; passing a platform takes (train + platform)/speed.

Relative speed: opposite directions add speeds; same direction subtract. Time to meet = initial distance / relative speed.

Work: if A alone takes a days, one day's work = 1/a; combined rate = 1/a + 1/b; filling pipes add, emptying pipes subtract.

Probability = favourable outcomes / total outcomes; nCr = n!/[r!(n minus r)!], nPr = n!/(n minus r)!.

Subject-verb agreement: each, every, either, neither, anyone, nobody take singular verbs; 'and' usually takes plural unless the pair is a single idea.

Tense: since + starting point, for + duration; present perfect for past action continuing now; past perfect for the earlier of two past actions.

Articles: a/an by initial sound, not letter; 'an hour', 'a university'. Use 'the' with unique objects, superlatives, and specified nouns.

Prepositions: good at, married to, prefer to, capable of, insist on, comply with, different from.

Pronouns: subject pronouns before verbs, object pronouns after prepositions/verbs; a pronoun must agree with its antecedent in number and gender.

Active/passive: object becomes subject; verb becomes be + past participle; subject becomes by + agent (optional). Keep tense and number.

Reported speech: past reporting verb shifts present to past, present perfect to past perfect, will to would, can to could; time/place words change.

Confusables: affect (verb, influence)/effect (noun, result); principal (head/main)/principle (rule); advice (noun)/advise (verb); lose (misplace)/loose (not tight).

Error spotting: check parallelism, modifier placement, subject-verb agreement, pronoun reference, and double negatives before choosing an option.

RBI: central bank established on 1 April 1935 and nationalised on 1 January 1949; headquarters in Mumbai. It issues all notes except the one-rupee note.

Monetary policy: repo, reverse repo, marginal standing facility, bank rate, CRR and SLR. The MPC has six members and an inflation target of 4% with a plus or minus 2% band.

CRR is cash held with the RBI and earns no interest; SLR is held by the bank in approved assets such as government securities, cash, and gold.

NPA: interest or principal overdue for more than 90 days; further classified as substandard, doubtful, and loss assets.

DICGC covers deposits up to Rs 5 lakh per depositor per bank, including principal and interest, for commercial and cooperative banks.

Federal Bank: private-sector scheduled commercial bank headquartered in Aluva, Kerala; founded in 1931; included in the Second Schedule of the RBI Act.

Payment systems: NEFT operates 24x7 in batches; RTGS is real-time with a minimum of Rs 2 lakh; IMPS is immediate and 24x7; UPI uses a virtual payment address.

Priority sector lending: domestic scheduled commercial banks target 40% of adjusted net bank credit; agriculture sub-target is 18%.

Financial inclusion: PMJDY provides basic savings accounts; Mudra loans are Shishu, Kishor, and Tarun; Stand Up India supports SC/ST and women entrepreneurs.

Memory units: 1 byte = 8 bits; 1 KB = 1024 bytes; 1 MB = 1024 KB; 1 GB = 1024 MB. ASCII uses 7 bits for 128 characters.

Hardware vs software: CPU, RAM, and input/output devices are hardware; operating systems and applications are software. RAM is volatile; ROM is non-volatile.

Common shortcuts: Ctrl+C copy, Ctrl+X cut, Ctrl+V paste, Ctrl+Z undo, Ctrl+Y redo, Ctrl+S save, Ctrl+P print, Alt+Tab switch windows.

Spreadsheet: a cell reference like A1 is column letter plus row number; absolute reference uses $A$1; SUM, AVERAGE, COUNT, IF are common functions.

Networking: LAN is local, WAN is wide; a router connects different networks, a switch connects devices within a LAN, and a firewall filters traffic.

Internet: DNS resolves domain names to IP addresses; HTTP/HTTPS transfers web pages; an IP address identifies a device; URL specifies protocol, domain, and path.

Security: phishing tricks users into revealing credentials; malware includes viruses and ransomware; multi-factor authentication requires a second verification factor beyond a password.

Database: a table has rows (records) and columns (fields); a primary key uniquely identifies a row; SQL is used to query relational databases.

Banking codes: IFSC has 11 characters; MICR has 9 digits; SWIFT/BIC has 8 or 11 characters; a UPI VPA looks like name@bank.