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- Question
- How many brother does A have?
I. A, who is B's brother, has two siblings.
II. D is brother of A and is youngest in the family.
Options- A. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- B. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- C. if the data either in Statement I alone or in Statement II alone are sufficient to answer the question.
- D. if the data in both the Statement I and II together are not sufficient to answer the question.
- Correct Answer
- if the data in both the Statement I and II together are not sufficient to answer the question.
ExplanationEven by using both the statements together we cannot determine the gender of B. So, A can have one or two brothers.
- 1. Did 300 candidates appear for the written examination for admission into College X?
I. The principal of the college correctly mention that the number of candidates who had appeared for the examination was more than 200.
II. According to a statistical report, only 175 candidates could qualify the examination.
Options- A. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- B. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- C. if the data either in Statement I alone or in Statement II alone are sufficient to answer the question.
- D. if the data in both the Statement I and II together are not sufficient to answer the question. Discuss
- 2. Which directions is Ali facing?
I. If Ken, who is currently facing East turns 90° towards his right he would face a direction exactly opposite to the direction which Ali is facing
II. If Priya who is currently facing South, turns left, walks 1m and then takes a left turn again, she would face the same direction as Ali.
Options- A. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- B. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- C. if the data either in Statement I alone or in Statement II alone are sufficient to answer the question.
- D. if the data in both the Statement I and II together are not sufficient to answer the question. Discuss
- 3. Who amongst A, B, C, D, and E is the tallest?
I. A is taller than B but shorted than C, D is not the tallest.
II. Two people taller than C.
Options- A. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- B. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- C. if the data either in Statement I alone or in Statement II alone are sufficient to answer the question.
- D. if the data in both the Statement I and II together are not sufficient to answer the question. Discuss
- 4. Among M, P, K, J, T and W, who is lighter than only the heaviest?
I. P is heavier than M and T.
II. W is heavier than P but lighter that J who is not the heaviest.
Options- A. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- B. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- C. if the data in Statement I alone or in Statement II alone are sufficient to answer the question.
- D. if the data in both the Statement I and II together are not sufficient to answer the question. Discuss
- 5. How is 'never' written in a code language?
I. never ever go there' is written as 'na ja ni ho' in that code language.
II. 'go there and come back' is written as 'ma ho sa ni da' in the code language.
Options- A. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- B. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- C. if the data in Statement I alone or in Statement II alone are sufficient to answer the question.
- D. if the data in both the Statement I and II together are not sufficient to answer the question. Discuss
- 6. How for is point P from Point Q? (All the point lie on a straight line.)
I. Point T is exactly midway between Point P and Q.
Point T is 5 km towards the west of Point R.
II. Point Q is 2 km towards the east of Point R.
Options- A. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- B. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- C. if the data either in Statement I alone or in Statement II alone are sufficient to answer the question.
- D. if the data in both the Statement I and II together are not sufficient to answer the question. Discuss
- 7. On which floor of the building does G stay? (the building has five floor 1, 2, 3, 4, 5.)
I. Only the even-number floors are occupied and G does not stay on the second floor.
II. G does not stay on an odd-numbered floor.
Options- A. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- B. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- C. if the data either in Statement I alone or in Statement II alone are sufficient to answer the question.
- D. if the data in both the Statement I and II together are not sufficient to answer the question. Discuss
- 8. How many days did Raju take to complete his assignment?
I. Mohit correctly remembers that Raju took more than 3 days less than 9 days to complete his assignment.
II. Mina correctly remembers that Raju took more than 7 days less than 11 days to complete his assignment.
Options- A. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- B. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- C. if the data either in Statement I alone or in Statement II alone are sufficient to answer the question.
- D. if the data in both the Statement I and II together are not sufficient to answer the question. Discuss
- 9. How is the word 'GATES' coded in the code language?
I. 'BRICK' is coded as 'LDJSC' and 'PIN' is coded as 'QJQ'
II. 'WATER' is coded as 'SFUBX' and 'DIST' is coded as 'ITJE'
Options- A. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- B. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- C. if the data either in Statement I alone or in Statement II alone are sufficient to answer the question.
- D. if the data in both the Statement I and II together are not sufficient to answer the question. Discuss
- 10. Among A, B, C and D, which school has the highest number of students.
I. School A has fewer students than school D.
II. School C has fewer students than school D.
Options- A. if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- B. if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- C. if the data either in Statement I alone or in Statement II alone are sufficient to answer the question.
- D. if the data in both the Statement I and II together are not sufficient to answer the question. Discuss
Data Sufficiency problems
Search Results
Correct Answer: if the data in both the Statement I and II together are not sufficient to answer the question.
Explanation:
Even by using both the statements together we can only determine that number of candidates appeared was more than 200.
Correct Answer: if the data either in Statement I alone or in Statement II alone are sufficient to answer the question.
Explanation:
Using Statement I: If ken turns 90° towards his right he will face South. So, Ali is facing north.
Using Statement II: In the end Priya faces north. So, Ali also faces north.
Correct Answer:
Explanation:
From I: C > A > B and - > D
From II: -> - > C. Comblining, we get E > D > C > A > B.
Correct Answer:
Explanation:
Using either of the statements alone we cannot find the answer, but when we use both the statements together we can find the answer, but when we use both the statements together we can find the relation in term of weight,
i.e. K > J > W > P > M, T.
Correct Answer: if the data in both the Statement I and II together are not sufficient to answer the question.
Explanation:
Using either of the statements alone we cannot find the code, and even by using both the statements together we can only find that 'never ever' is coded as 'na ja' the code for 'never' cannot be uniquely determined even by using both the statements together.
Correct Answer:
Explanation:
Using I:
T 5 R and T is midway between P and Q
Using II:
R 2 Q
Using both:
P 7 T 5 R 2 Q
Correct Answer: if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
Explanation:
I. Using I only, we cannot determine that G stays on 4th floor.
Correct Answer:
Explanation:
I. Raju can take 4 to 8 days to complete the work.
II. Raju can take 8 to 10 days to complete the work.
Using both the statements together we can determine that Raju took 8 days to complete the work.
Correct Answer: if the data either in Statement I alone or in Statement II alone are sufficient to answer the question.
Explanation:
if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
Correct Answer: if the data in both the Statement I and II together are not sufficient to answer the question.
Explanation:
Even by using both the statements together we cannot determine whether B has highest number of student or D.
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