Data Sufficiency for Bank Exams

By : Akash Mishra

Updated : Oct 19, 2020, 23:48

Data Sufficiency is a subject dealing largely with logical reasoning, and hence, requires adequate knowledge of all reasoning topics. Data Sufficiency is integral to all variations of competitive exams in addition to quantitative aptitude and verbal ability tests. It is a common topic in all banking exams both for Government and Private sector banks. Data Sufficiency questions and answers in bank exams deal with the application of the direct and indirect concepts, and hence, is highly instrumental in analysing the understanding of the Mathematical Concepts.

The most prominent exams where Data Sufficiency is an important subject are SBI PO, IBPS PO, IBPS RRB PO, Bank PO, SBI Clerk, IBPS Clerk, IBPS RRB Clerk, SBI SO, and IBPS SO.

Important Data Sufficiency Topics




Finding out the area of a surface with the given information for problem-solving applying and deducting formulae as per the provided measures.


Solving problems based on the principles of probability and deriving the most likely option.

Permutation and Combination

Solving problems based on the number of ways in which grouping can be done considering the factorisation constraints and the multiple combinations possible.

Simple Interest and Compound Interest

Calculation of Simple Interest and Compound Interest based on the rate of interest given and the number of years using the applicable formulae.

Tips to Solve for Data Sufficiency Questions

To help our candidates prepare well, we have Data Sufficiency tricks for Bank exams which make the problem solving as easy as a cakewalk:

  • Most importantly, the candidates need to keep calm and focus on the details of the entire question irrespective of the length of the question. The quantitative aptitude questions in some cases can be solved verbally too, hence, attention to all details is a prerequisite of effective problem-solving.
  • All questions may not have a definite answer. The idea is to find the most suitable answer concerning the conditions or options, as mentioned in the question.
  • All questions carry the required information, and it is only through this information that you need to deduct the answer. Strictly refrain from making assumptions of your own.
  • It is advisable to solve the answer by serially following the points given in the question. As the first condition is satisfied, move on to the next.
  • Mindful reading of the questions in the Data Sufficiency quiz for bank exams is the key to accurate answers. Data sufficiency questions generally do not require calculative answers.

Importance of Data Sufficiency in the Quantitative Section of Competitive Banking & Government Exams

  • It enables an individual to develop the quality of logical deduction when faced with multiple options and approaching a viable solution.
  • The Data Sufficiency topics for bank exams test the candidates for these qualities through various questions bringing out a reasonable mind at the forefront.
  • Through Data Sufficiency questions, the reasoning ability and problem-solving abilities of the candidate increase, which, in turn, results in a better performing employee.

Most Recommended Books for Data Sufficiency

The exhaustive Data Sufficiency syllabus for bank exams requires the candidates to have access to study material that caters to the comprehensive preparation of each candidate. The list of books, thus, recommended includes the following:

Name of the Book


Quantitative Aptitude

R. S. Agarwal

Verbal and Non-Verbal Reasoning

R. S. Agarwal

Data Interpretation

Arun Sharma

Why Prepare Data Sufficiency From BYJU'S Exam Prep? 

BYJU'S Exam Prep offers the best of online tests for all kinds of competitive exams with mock tests curated by the best faculties in the field. It prepares the candidates adequately for the most sought after and esteemed Government jobs. The Data Sufficiency questions and answers pdf for bank exams available on BYJU'S Exam Prep consists of an updated format of questions keeping the candidates abreast with the most recent changes in the pattern of the papers. The mock test papers are available in both Hindi and English, as per the preferences, which makes it even more viable among all categories of candidates.


  1. What are the main subjects one needs to study for the bank exams?

The subject matter for various bank exams may vary for different banks, so it is advisable to check the official syllabus for the respective exams. Having said this, most of the Data Sufficiency problems in bank exams include the following subjects:

  •       Reasoning Ability and General Intelligence
  •       Quantitative Aptitude and Numerical Ability
  •       General/ Banking/ Finance Awareness
  •       English Language and Verbal Ability
  •       Computer Awareness
  1. What are the most coveted posts for which bank exams are held, and what is the age criteria for them?

The most desired posts for which bank exams are conducted and the age criteria for the same are mentioned in the table below:

Name of the Exam

Minimum Age

Maximum Age

Bank Probationary Officer

20 years

30 years

Bank Specialist Officer

20 years

30 years

Assistant/ Clerical Cadre

20 years

28 years

These are the general criteria and are subject to change with different banks.

  1. What is the best way to prepare for Data Sufficiency?

The Data Sufficiency notes for bank exams can help you master the topic, and a detailed study of the Data Sufficiency formula for bank exams can help you to understand and excel in the topic.

  1. What are the eligibility criteria for bank exam candidates?

A Graduation degree from any discipline or stream from a recognised University is the main criteria for the eligibility for bank exams. The details of all criteria should be ascertained to appear for the exams. 

  1. Is the Data Sufficiency online test for bank exams also conducted?

Yes, you may take the Data Sufficiency test online by referring to the site and registering for it.