Data Sufficiency problems
- 1. Tower 'P' is in which direction with respect to tower 'Q'?
I. P is to west of H, which is the South of Q.
II. F is to west of Q and to the North of P.
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 are not sufficient to answer the question. Discuss
Correct Answer: if the data in Statement I alone or in Statement II alone are sufficient to answer the question.
Explanation:
From i: p is the South- west of Q
From II: P is to the South- west of Q
As from both the statement we can find the answer.
- 2. Who reached the station first among L, M, J, T and R if no two person reached together.
I. M reached only after J and T
II. L reached before 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 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 are not sufficient to answer the question. Discuss
Correct Answer: if the data in both the Statement I and II are not sufficient to answer the question.
Explanation:
We can't decided who reached first between j and T
- 3. What is the code for 'walks' in the code language?
I. in code language 'she walks fast' is written as 'he ka to'
II. In the code language 'she learn fast' is written as 'jo ka to'
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 are not sufficient to answer the question. Discuss
Correct Answer:
Explanation:
'to'. Which is not common between the two code, stands for 'walk'.
- 4. How is A related to B?
I. A is the sister-in-law of C. who is the daughter-in-law of B, who is the wife of D.
II. B is the mother of A's son's only uncle's son
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 are not sufficient to answer the question. Discuss
Correct Answer:
Explanation:
From 1: A is a Female
Using this in II, we get;
B = mother of A's son's only uncle's son
= mother of A 's son's cousin
= mother of A 's brother -in-law's wife.
- 5. Amongst A, B, C, D,E and F, each are having a different height. Who is the shortest?
I. C is shorter than only B.
II. A is taller than only D and F.
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 are not sufficient to answer the question. Discuss
Correct Answer: if the data in both the Statement I and II are not sufficient to answer the question.
Explanation:
Statement I gives us the two tallest person.
Hence it is not sufficient.
From II either D or F is the shortest Hence II is also not sufficient.
- 6. Point X is in which direction with respect to Y?
I. Point Z is at equal distance from both point X and point Y.
II. Walking 5 km to the East of the point X and taking two consecutive right turn 9. After walking 5 kms before each turn leads to point Y.
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 are not sufficient to answer the question. Discuss
Correct Answer: if the data in both the Statement I and II are not sufficient to answer the question.
Explanation:
Statement I is of no use because we don't know the directions.
Statement II is sufficient because distances and directions have been given property.
- 7. How is 'must' written in a code language?
I. 'you must see' is writer as 'la pa ni' and 'did you see' is written as 'jo ni pa' in that code language.
II. 'you did that' is written as 'pa si jo' in that 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 are not sufficient to answer the question. Discuss
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:
Statement I You must see = la pa ni ......... (i)
Did u see = jo ni pa .....................(ii)
From (i) and (ii) you see = pa ni .................(iii)
Using (iii) in (i) , we get must = la
Hence i alone is sufficient.
But II is not even remotely connected with 'must'
- 8. On which day of week does Arti's birthday fall?
I. Sonu correctly remembers that Arti's birthday falls after Wednesday but before Sunday.
II. Raj correctly, remembers that Arti's birthday falls after Friday but before Tuesday.
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 are not sufficient to answer the question. Discuss
Correct Answer:
Explanation:
From 1: Arti's birthday falls on Thu, Fri, or Sat
From II: it falls on Sat, Sun or Mon
Combining I and II it falls on Sat
- 9. How is 'sure' written in a code language?
I. 'he is sure' witten as 'ja ha main that code language.
II. 'is she sure' written as 'Ka ja main that 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 are not sufficient to answer the question. Discuss
Correct Answer: if the data in both the Statement I and II are not sufficient to answer the question.
Explanation:
From 1: he is sure = ja ha ma
From II: is she sure = ka ja ma
Combining the two, we get
Is sure = ja ma
Hence, sure = ja or ma
- 10. Among P Q, R, S AND T each having different age. Who is the youngest among them?
I. Q is the youngest than only P.
II. S is older than only 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 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 are not sufficient to answer the question. Discuss
Correct Answer: 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.
Explanation:
From I: P is oldest and Q second oldest
From II: R is the youngest and S Second youngest.
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