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Data Sufficiency Questions

Practice 20 Data Sufficiency questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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Practice by Exam:Reasoning(8)General Intelligence & Reasoning(4)Quantitative Aptitude(3)General Intelligence and Reasoning(2)General Intelligence(1)Mental Ability and Reasoning(1)Mental Ability(1)

About Data Sufficiency — practice questions, PYQs & concepts

Data Sufficiency is a frequently-tested topic on Reasoning, General Intelligence & Reasoning, Quantitative Aptitude. ExamTest.live currently lists 20 Data Sufficiency questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Data Sufficiency weight in competitive exams

Across our Data Sufficiency question bank, the largest sources are Reasoning (8), General Intelligence & Reasoning (4), Quantitative Aptitude (3), General Intelligence and Reasoning (2) and General Intelligence (1). Click any exam chip above to drill down to that exam-specific question set.

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All Data Sufficiency Questions(1–20 of 20)

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Q1mediummcqGeneral IntelligenceSSC Selection Post 2018 Higher Secondary Level2026
0% accuracy
कि सी कंपनी में लेखा प्रबंधक के चयन के लि ए शर्तें नि म्नलि खि त हैं:उम्मी दवा र की आयु 1 जनवरी 2019 को कम से कम 30 वर्ष और 40 वर्ष से अधि क नहीं हो नी चा हि ए।कम से कम 55% कुल अंकों के सा थ बी ई वा णि ज्य स्ना तक हो ना चा हि ए।कम से कम 10 सा ल का लेखा अनुभव हो , जि समें से कम से कम 3 सा ल का अनुभव एक संगठन में प्रबंधक के स्था न का हो ।भर्ती प्रक्रि या में कम से कम 60% सुरक्षि त कि ये हुए हों ।लेकि न स्ना तक में कम से कम 50% कुल अंक प्रा प्त कि ए हैं और भर्ती प्रक्रि या में 80% प्रा प्त कि ए हैं, उन्हें वी पी -लेखा में भेजा जा सकता है।नी चे दि ए गए प्रत्येक प्रश्न में उम्मी दवा र का वि वरण दि या गया है। दी गयी जा नका री के आधा र पर प्रश्नों के उत्तर दी जि ये। कुछ भी मत मा नो ।राम का वि वरण: राम का जन्म 1 अगस्त 1974 को हुआ था और स्ना तक स्तर पर 60% अंक प्रा प्त कि ये हैं और उसे 15 वर्षों के अनुभव के सा थं एक संगठन में लेखा प्रबन्धक का 5 वर्षों का अनुभव है।
Q2mediummcqReasoningPractice Paper2026
0% accuracy
A question and a set of statements are given. Find which of the given statements is/are sufficient to answer the question.
Question: Find and .
Statements:
I. and .

image

II. .
Q3mediummcqMental AbilityWBCS Prelims2026
, , , and are sitting in a row. is between and . To find out who among them is in the middle, which of the following statements and is/are sufficient?
is left of and right of .
is at the right end.
Q4mediummcqReasoningCompetitive Exams2026
Direction: Study the given information carefully and answer the question that follows:
(i) A, B, C, D, E, F and G are sitting on a wall and all of them are facing east.
(ii) C is on the immediate right of D.
(iii) B is at an extreme end and has E as his neighbour.
(iv) G is between E and F.
(v) D is sitting third from the south end.

Which of the conditions (i) to (v) given above is not required to find out the place in which A is sitting?
Q5mediummcqReasoningCompetitive Exams2026
Among four friends A, B, P and Q (each earning a different amount), who earns the most?
(I) P earns more than A but less than both B and Q.
(II) B earns more than P but less than Q. A does not earn the most.
Q6mediummcqReasoningUP Police Constable Previous Paper2026
Read the following information to answer the given question.
Following are the conditions for issuing a passport.
A) The applicant must be born in the country or be married to a citizen of the country
B) The applicant should possess the unique identity card for proof of name, address and age.
C) The candidate should produce 12th pass certificate for education proof, if NOT a minor.
D) A minor is under 18 years of age. A minor should possess the unique identity card of either parent.
E) For reissue of passport applicant should submit old passport. For fresh issue applicant should submit affidavit.

However, in case an applicant who fulfills all other criteria EXCEPT:

1. A above, in case the applicant was born outside the country, the application is referred to passport head office.
2. C above, if applicant has NOT passed 12th, the application is referred to passport Head Office.
3. E above, in case the old passport is lost, the application will be treated as a fresh issue.

Based on these criteria and information provided below, decide the course of action in each case. You are NOT to assume anything.

Case:
15-year-old Vijay was born in the country, has the unique identity card, has NOT yet passed his 12th and has his old passport. Only his mother has a unique identity card, but his father does NOT as he was NOT born in the country.
Q7mediummcqReasoningCompetitive Exam Paper2026
Read the following information to answer the given question:
Following are the conditions for awarding Rs. 5 lakh compensation to a farmer for loss due to flood.
A) The farm affected by flood should be atleast of 5 acres, but NOT more than 25 acres.
B) The flooded farm should be atleast 2 feet under water for atleast 1 week.
C) Other income of the farmer should NOT be more than Rs. 20,000/ month.
D) The farm should have standing crop at the time of flooding.
E) The farm should be uninsured.

However, in case a farmer fulfills all other criteria EXCEPT-

1. C above, any subsidy received can be excluded from other income.
2. D above, if harvested and crop was submerged in floods then only Rs. 2.5 lakh will be awarded.
3. E above, if insured and insurance claimed is less than Rs. 5 lakh, then only difference will be compensated.

Based on these criteria and information provided below, decide the course of action in the given case. You are NOT to assume anything.

Case of Farmer Z:
Farmer Z has Rs. 20,000/ month other income. The crop was harvested but was lying in the field and submerged during flooding. 10 out of 15 acres were under 2.5 feet of water for a week. The farmer has claimed zero insurance.
Q8mediummcqReasoningCompetitive Exam Paper2026
Read the following information to answer the given question:
Following are the conditions for awarding Rs. 5 lakh compensation to a farmer for loss due to flood.
A) The farm affected by flood should be atleast of 5 acres, but NOT more than 25 acres.
B) The flooded farm should be atleast 2 feet under water for atleast 1 week.
C) Other income of the farmer should NOT be more than Rs. 20,000/ month.
D) The farm should have standing crop at the time of flooding.
E) The farm should be uninsured.

However, in case a farmer fulfills all other criteria EXCEPT-

1. C above, any subsidy received can be excluded from other income.
2. D above, if harvested and crop was submerged in floods then only Rs. 2.5 lakh will be awarded.
3. E above, if insured and insurance claimed is less than Rs. 5 lakh, then only difference will be compensated.

Based on these criteria and information provided below, decide the course of action in the given case. You are NOT to assume anything.

Case of Farmer Y:
Farmer Y has NO other income. His 10 acre farm was flooded for 8 days under two and a half feet of water. The farmer receives NO subsidy and the crop was standing at the time of flooding. The farm was NOT insured.
Q9mediummcqReasoningCompetitive Exam Paper2026
Read the following information to answer the given question:
Following are the conditions for awarding Rs. 5 lakh compensation to a farmer for loss due to flood.
A) The farm affected by flood should be atleast of 5 acres, but NOT more than 25 acres.
B) The flooded farm should be atleast 2 feet under water for atleast 1 week.
C) Other income of the farmer should NOT be more than Rs. 20,000/ month.
D) The farm should have standing crop at the time of flooding.
E) The farm should be uninsured.

However, in case a farmer fulfills all other criteria EXCEPT-

1. C above, any subsidy received can be excluded from other income.
2. D above, if harvested and crop was submerged in floods then only Rs. 2.5 lakh will be awarded.
3. E above, if insured and insurance claimed is less than Rs. 5 lakh, then only difference will be compensated.

Based on these criteria and information provided below, decide the course of action in the given case. You are NOT to assume anything.

Case of Farmer X:
Farmer X has 30 acres of farm of which 15 acres was under 2 feet flood water for 10 days. The farmer's other income of Rs. 25,000/ month includes Rs. 6,000/ month subsidy. The farm had unharvested crop when it was flooded. The farm was NOT insured.
Q10mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
P and Q are children of S. Who is the father of P? To answer this question, which of the statements (1) and (2) is/are necessary?
(1) R is the brother of P and the son of T.
(2) U is the mother of Q.
Q11mediummcqGeneral Intelligence & ReasoningCompetitive Exams2026
Consider the conditions for selecting faculty members in a computer education centre:
a. Age between 23 to 28 years.
b. Work experience or programming experience.
c. Postgraduate degree in computer application with at least 60% marks.
d. Minimum of 25 marks in the interview out of 50.
e. If the candidate does not have PG, the case is to be referred to the senior faculty member.
f. If the candidate does not have work experience, the case is to be referred to Principal of the institute.
g. If the candidate satisfies all other qualifications except the age limit, the case is to be referred to the Director of the Centre.

Which course of action should be taken for Babli Sarkar based on the following information?
Babli Sarkar: MCA with 68% marks. Age 30 years. 2.5 years of experience as a programmer. Obtained 40 marks in the interview.
Q12hardmcqGeneral Intelligence & ReasoningCompetitive Exams2026
Consider the conditions for selecting faculty members in a computer education centre:
a. Age between 23 to 28 years as of November 1, 2023.
b. Postgraduate degree in computer application with at least 60% marks.
c. Work experience or programming experience.
d. Minimum of 25 marks in the interview out of 50.
e. If the candidate does not have PG, the case is to be referred to the senior faculty member.
f. If the candidate does not score minimum marks in the interview, the case is to be referred to principal of the institute.
g. If the candidate satisfies all other qualifications except the age limit, the case is to be referred to the director of the centre.

Which course of action should be taken for Manish Kumar based on the following information?
Manish Kumar: M.Sc. in Computer Science with 62% marks. Date of birth: July 10, 1990. 4 years of experience as a computer teacher. Obtained 40% marks in the interview.
Q13mediummcqReasoningPractice Test2026
A hospital is recruiting nurses for its Intensive Care Unit. The criteria for selection are as follows:
a. Bachelor's degree in Nursing.
b. Certification in Advanced Cardiac Life Support (ACLS).
c. Minimum of years of experience in Critical Care Nursing.
d. Score of marks in a competency-based interview.
e. If the candidate does not have ACLS certification, the case is to be referred to the senior specialist.
f. If the candidate does not score minimum marks in the interview, the case is to be referred to Head of Nursing Department.
g. If the candidate satisfies all other qualifications except work experience, the case is to be referred to the Director of the Centre.

Based on the scenario, what course of action should be taken for Priya Singh?
Scenario: B.Sc. Nursing, ACLS certified, Scored marks in the interview. Experience of years including years in Intensive Care Units.
Q14mediummcqMental Ability and ReasoningUP Police Assistant Operator Exam2026
Consider the conditions for selecting faculty members in a School:
a. Age between 23 to 28 years as of April, 2024.
b. Work experience of minimum 3 years.
c. Postgraduate degree in relevant subject with at least marks.
d. Minimum of 25 marks in the interview, out of 50.
e. If the candidate does not have PG, the case is to be referred to the senior faculty member.
f. If the candidate does not score minimum marks in the interview, the case is to be referred to Principal of the School.
g. If the candidate satisfies all other qualifications except the age limit, the case is to be referred to the Board of Directors of the School.

Which course of action should be taken for Sudha Ranjan based on the following information?
Sudha Ranjan has an MCA with marks. Date of birth: February 12, 1999. 5 years of experience as a teacher. Obtained 55% marks in the interview (i.e., marks out of 50).
Q15mediummcqGeneral Intelligence and ReasoningPractice Paper2026
Given below is a question followed by two statements, I and II, each containing some information. Decide which of the statements are sufficient to answer the question.
The difference between father's age and son's age is 21 years now. What is the present age of the son?
Statements:
I. After five years, the ratio of father's age to that of the son would be 5:2.
II. The sum of father's age and son's age after five years would be 66 years.
Q16mediummcqQuantitative AptitudePractice Test2026
A question along with a set of statements is given. Find which of the given statements is/are sufficient to answer the question.
Question: Find the perimeter of a triangle given that:
Statements:
I. Area of the triangle is .
II. Height of the triangle is .
Q17mediummcqQuantitative AptitudePractice Test2026
Read the question and statements provided and decide whether the data provided in the statements are sufficient to answer the question.
Question: Find the area of a triangle.
Statements:
I. One of its sides is .
II. It is an equilateral triangle.
Q18mediummcqGeneral Intelligence & ReasoningPractice Test2026
In a private school, there were five teachers. Abi and Geetha were teaching French and English. Harini and Geetha were teaching English and Science. Diva and Abi were teaching Maths and French. Hema and Geetha were teaching Social Science and French. Which subject is taught by the maximum number of teachers?
Q19mediummcqQuantitative AptitudePractice Paper2026
image
A question along with a set of statements is given below. We have to find which of the given statements is/are sufficient to answer the given question.

Question : Find the area of the triangle PQR.
Statements :
I. PQ = 5 m., PR = 5 m.
II. Length of PO is 4 m.
Q20mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
Read the question and statements provided and then decide whether the information provided in the statements is sufficient to answer the question.
Find the unique values of , and , if:
Statements:
I.
II.

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Data Sufficiency questions are commonly asked in Reasoning, General Intelligence & Reasoning, Quantitative Aptitude, General Intelligence and Reasoning, General Intelligence. You can filter by exam using the links above.
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Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.