IBPS SO study materials
IBPS SO study resources

IBPS SO key terms

IBPS SO · Get comfortable with the vocabulary.

Syllogism

A logic question type where two or more statements are assumed true and you decide which conclusions necessarily follow. Validity depends on form, not real-world truth.

Related: Venn diagram method, Possibility case
Venn diagram method

A technique for solving syllogisms by drawing circles for each category and checking whether a conclusion holds in every possible arrangement of the circles.

Related: Syllogism, Possibility case
Possibility case

In syllogism questions, a conclusion worded as 'can be true' is correct if at least one arrangement of the statements makes it true, even if others do not.

Related: Syllogism, Venn diagram method
Blood relation

A puzzle giving family relationships in coded or descriptive form, where you must trace how two people are related, often across generations and both sides of a family.

Related: Coded inequality, Puzzle and seating arrangement
Direction sense

A question tracking a person's movement through turns and distances, requiring you to find final direction, shortest distance, or net displacement using a compass layout.

Related: Pythagorean distance, Puzzle and seating arrangement
Coded inequality

A reasoning item where symbols replace comparison signs, and you must decode the meaning before judging whether a given relationship between two elements is definitely true.

Related: Either-or case, Syllogism
Either-or case

A conclusion pair in inequality or syllogism questions where exactly one of the two must hold, so the answer is the combined 'either ... or' option rather than a single conclusion.

Related: Coded inequality, Possibility case
Puzzle and seating arrangement

A set of clues about people placed in rows, circles, or floors that must be combined to fix every position; usually answered as a group of linked questions.

Related: Blood relation, Direction sense
Input-output

A reasoning set where a machine rearranges a sequence of words or numbers by a fixed rule across steps; you identify the rule and predict later steps or the final arrangement.

Related: Alphanumeric series, Coding-decoding
Coding-decoding

A question where words or letters are written in a disguised pattern, and you must work out the rule to decode a new word or encode a given one.

Related: Alphanumeric series, Input-output
Alphanumeric series

A sequence mixing letters, digits, and symbols where you answer positional questions such as how many digits sit between two letters or which element is fifth to the left.

Related: Coding-decoding, Input-output
Data sufficiency

A question asking whether the given statements supply enough information to answer a query, without requiring you to compute the actual answer.

Related: Approximation, Quadratic equation
Approximation

A quantitative shortcut where numbers are rounded to convenient values so an answer close to the exact result can be chosen quickly from the options.

Related: Data sufficiency, Simplification
Simplification

A calculation item testing BODMAS order of operations, surds, indices, and fractions; the aim is an exact value reached through orderly, stepwise reduction.

Related: Approximation, Percentage
Quadratic equation

A comparison question giving two equations in x and y; you find the roots and decide whether x is greater, smaller, equal, or the relation cannot be established.

Related: Data sufficiency, Simplification
Percentage

A fraction expressed per hundred, used to compare quantities and as the base for profit, discount, interest, and data-interpretation calculations.

Related: Profit and loss, Simple interest
Profit and loss

Arithmetic on cost price, selling price, and marked price, including successive discounts and the difference between profit measured on cost and on selling price.

Related: Percentage, Simple interest
Simple interest

Interest computed only on the original principal for the whole period, using principal times rate times time divided by one hundred.

Related: Compound interest, Percentage
Compound interest

Interest calculated on principal plus previously earned interest, so the amount grows geometrically; compounding frequency changes the effective yearly rate.

Related: Simple interest, Percentage
Time, speed and distance

Problems linking distance, speed, and time, extended to trains crossing poles or platforms, boats in streams, and relative speed of two moving objects.

Related: Boats and streams, Ratio and proportion
Boats and streams

A speed problem where downstream speed is boat speed plus current and upstream speed is boat speed minus current; the two give boat and stream speeds when averaged.

Related: Time, speed and distance, Ratio and proportion
Time and work

Problems on how long combined workers, pipes, or machines take to finish a task, solved by converting each worker's output into a per-day rate.

Related: Pipes and cisterns, Ratio and proportion
Pipes and cisterns

A time-and-work variant where inlet pipes fill a tank and outlet pipes empty it; rates are added for filling and subtracted for emptying.

Related: Time and work, Simple interest
Ratio and proportion

A comparison of two quantities by division, used to split amounts, scale recipes or mixtures, and set up equations in partnership and mixture problems.

Related: Mixture and alligation, Percentage
Mixture and alligation

A method using a weighted-average diagram to find the ratio in which two ingredients of different prices or strengths must be mixed to reach a target value.

Related: Ratio and proportion, Percentage
Permutation and combination

Counting techniques for arrangements where order matters and selections where it does not, including cases with repetition and identical items.

Related: Probability, Data interpretation
Probability

The chance of an event, found as favourable outcomes divided by total equally likely outcomes, with complementary and combined events handled by addition and multiplication rules.

Related: Permutation and combination, Data interpretation
Data interpretation

A set of questions based on a table, bar chart, pie chart, or line graph, requiring calculation of shares, growth, averages, and ratios from the supplied figures.

Related: Percentage, Approximation
Number series

A sequence of numbers following a hidden rule such as a difference pattern, squares, or alternating operations, where you find the missing or wrong term.

Related: Alphanumeric series, Simplification
Reading comprehension

A passage followed by questions on main idea, tone, inference, and vocabulary; answers must be supported by the text rather than by outside opinion.

Related: Inference, Cloze test
Cloze test

A passage with blanks, each to be filled by the option that fits the sentence grammatically and logically, judged from surrounding context and collocation.

Related: Reading comprehension, Sentence completion
Sentence completion

A single sentence with one or two blanks where the correct option must match the meaning signalled by connectors, contrast words, and the overall logic.

Related: Cloze test, Connector
Error spotting

A question presenting a sentence divided into parts, one of which contains a grammatical flaw in subject-verb agreement, tense, article, or preposition use.

Related: Subject-verb agreement, Sentence rearrangement
Sentence rearrangement

A set of jumbled sentences or phrases that must be ordered into a coherent paragraph, guided by pronouns, connectors, and the flow from general to specific.

Related: Connector, Error spotting
Connector

A word or phrase such as however, therefore, or moreover that signals contrast, cause, or addition, and so determines which clause logically follows another.

Related: Sentence rearrangement, Sentence completion
Subject-verb agreement

The rule that a verb must match its subject in number and person, complicated by collective nouns, indefinite pronouns, and phrases inserted between subject and verb.

Related: Error spotting, Inference
Inference

A conclusion drawn from stated evidence rather than stated directly; in comprehension and logic questions it must follow necessarily, not merely be plausible.

Related: Reading comprehension, Subject-verb agreement
Banking Ombudsman

An independent authority that receives and resolves customer complaints against banks, with defined grounds, time limits, and an appeal route to a higher authority.

Related: KYC norms, NPA
KYC norms

Know Your Customer rules requiring banks to verify a customer's identity and address, and to monitor transactions, to prevent money laundering and terror financing.

Related: Anti-money laundering, Banking Ombudsman
Anti-money laundering

Laws and procedures that force financial institutions to detect, report, and block the movement of illegally obtained funds through the banking system.

Related: KYC norms, Priority sector lending
NPA

A non-performing asset is a loan on which interest or principal has remained overdue beyond the prescribed period, forcing the bank to classify and provide for it.

Related: SARFAESI Act, Priority sector lending
SARFAESI Act

A law letting secured creditors enforce their security interest and take possession of mortgaged assets without going to court, after due notice to the borrower.

Related: NPA, Banking Ombudsman
Priority sector lending

A mandate requiring banks to direct a set share of credit to agriculture, small enterprises, education, housing, and weaker sections, with shortfalls paid into a fund.

Related: NPA, Anti-money laundering
CRR

The cash reserve ratio is the share of net demand and time liabilities that a bank must keep as cash with the central bank, earning no interest.

Related: SLR, Repo rate
SLR

The statutory liquidity ratio is the minimum share of net demand and time liabilities a bank must hold in approved liquid assets such as government securities.

Related: CRR, Repo rate
Repo rate

The rate at which the central bank lends short-term funds to commercial banks against government securities, used as the main lever of monetary policy.

Related: CRR, SLR
Base rate

The minimum interest rate a bank may charge on loans, calculated from its cost of funds and other components, below which lending is not permitted.

Related: Repo rate, NPA
NEFT

A retail electronic funds transfer system that settles transactions in batches at fixed intervals through the central bank's network, without a minimum amount.

Related: RTGS, UPI
RTGS

A real-time gross settlement system for high-value transfers where each transaction is settled individually and immediately, subject to a prescribed minimum amount.

Related: NEFT, UPI
UPI

A unified payments interface that lets users link bank accounts to a mobile app and transfer funds instantly using a virtual payment address, without card details.

Related: NEFT, RTGS
Basel norms

International standards on bank capital adequacy, liquidity, and risk management that regulators adopt to keep banks solvent and the financial system stable.

Related: NPA, CRR