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- Question
- How is 'letter written in a code language?
I. 'please write a letter' is written as '7218' 'and recieved a Greek letter' is written as '7513'.
II. 'write in English please' is written as '2084' and 'a Greek' is written as '5714'.
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.
- Correct Answer
- if the data in both the Statement I and II together are not sufficient to answer the question.
ExplanationUsing Statement I:
a letter ? '71'
Using Statement II:
'in' ? '4'
Using both:
'Greek' ? '5' and 'received ? '3'
Code for 'letter' cannot be found even by using both statements together. - 1. How many brothers does Bharat have?
I. Shiela, the mother of Bharat, has only three children.
II. Meena, the grandmother of Bharat, has only one granddaughter.
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
- 2. Point A is towards which direction from point B?
I. If a person walks 4m towards the north from point A, and takes two consecutive right turns each after walking 4m, he would reach point C, which is 8 m away from point B.
II. Point D is 2m towards the east of point A and 4m towards the west of point B.
Options- A. if the data in statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
- B. if the data in statement 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 statements I alone or in statement II alone are sufficient to answer the question; and
- D. if the data given in both the statement I and II together are not sufficient to answer the question; and Discuss
- 3. Is T grandmother of Q?
I. P is the mother Q. Q is the son of R. R is the son of T.
II. L is father of N and N is daughter of T.
Options- A. if the data in statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
- B. if the data in statement 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 statements I alone or in statement II alone are sufficient to answer the question; and
- D. if the data given in both the statement I and II together are not sufficient to answer the question; and Discuss
- 4. Are all the five friends, viz, Leena, Amit, Arun, Ali and Ken, who are seated around a circular table, facing the centre?
I. Leena sits second to the left of Amit. Amit face the centre. Arun sits second to the right of Leena.
II. Ali sits on the immediate left of Ali but Ken is not an immediate neighbour of Amit.
Options- A. if the data in statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
- B. if the data in statement 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 statements I alone or in statement II alone are sufficient to answer the question; and
- D. if the data given in both the statement I and II together are not sufficient to answer the question; and Discuss
- 5. Who amongst L, M, N, O and P is the shortest?
I. O is shorter than P but taller than N.
II. M is not as tall as L.
Options- A. if the data in statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
- B. if the data in statement 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 statements I alone or in statement II alone are sufficient to answer the question; and
- D. if the data given in both the statement I and II together are not sufficient to answer the question; and Discuss
- 6. Among A, B, C,D and E seated in a straight line, facing North, who sits exactly in the middle of the line?
I. A sits third to the left of D. B sits on the immediate right of C.
II. B sits second to the right of A. E is not an immediate neighbour of 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 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. A six-storey building consisting of an unoccupied ground floor and five floors on the top of the ground floor numbered 1, 2, 3, 4, and 5 houses five different persons, viz A, B, C, D and E. Who lives on third floor?
I. C lives on an even-numbered above D. B live immediately above A.
II D lives on an odd-numbered floor. A and B are immediate neighbours. Similarly, C and E are immediate neighbours. C does not live 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 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. Are all four friend, Abhay, Kavita, Prashant and Yasir, Who are sitting around a circular table, facing the centre?
I. Kavita sits second to the left of Abhay. Abhay faces the centre. Yasir sits on the immediate right of Abhay as well as Kavita.
II. Prashant sits third to the right of Kavita. Abhay sits on the immediate right of Prashant as well as Yasir.
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
- 9. Is R grand-daughter f C?
I: The only sister of A is the mother of R's brother B.
II. C, the mother of A, has only one granson B.
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
- 10. How many students are there between Suresh and Mohan in a row of 50 students?
I. Suresh is twelfth from the left end and Mohan is seventeen from the right end.
II. Suresh is six places away from Jayesh, who is twentieth from the left end.
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
Data Sufficiency problems
Search Results
Correct Answer: if the data in both the Statement I and II are not sufficient to answer the question.
Explanation:
From I: Bharat has two siblings but we don't know their sex.
Correct Answer: if the data given in both the statement I and II together are not sufficient to answer the question; and
Explanation:
From I: We don't known whether B is to the west or east of C. In fact, it could be in any other direction.
From II: Obviously A is west of B.
Correct Answer:
Explanation:
In I, Sex of T is not known. In II, Q does not figure. Hence we need both the statements to establish the relationship.
Correct Answer: if the data either in statements I alone or in statement II alone are sufficient to answer the question; and
Explanation:
From I: If all of them face the centre, it means if A sits second to the left of B, then B should sit second to the right of A. But here Amit and Arun are different persons. Hence all of them do not face the centre
From II: Again suppose of them face the centre like KEN. Ali sits third to the left of ken. Now, if Amit sits on the left of Ali obviously ken should be his neighbour. But the statement says otherwise. Hence our assumption is disproved. All of them do not face the centre.
Correct Answer: if the data in statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
Explanation:
From I: P > O > N
From II: L > M From I and II, either M or N is the shortest. We can't determine who is shorter between the two of them.
Correct Answer:
Explanation:
Using Statement I:
A C B D
Position of E Cannot be found it can be left of A or right of D.
Using Statement II: Many seating arrangements are possible
Using both: E A C B D is the unique arrangement are that is possible and C sits in the middle.
Correct Answer: if the data in both the Statement I and II together are not sufficient to answer the question.
Explanation:
Using Statement I:
We get two arrangement, ie
5 ? B E
4 ? A C
3 ? D or B
2 ? C A
1 ? E D
Using Statement II: Many arrangements are possible.
Correct Answer: if the data in Statement I alone or in Statement II alone are sufficient to answer the question.
Explanation:
Using Statement I: From the line "Yasir sits on the immediate right of Abhay as well as Kavita" we
can conclude that one of Abhay and Kavita is facing towards the centre and the outside So, all friends are Not facing the centre.
Correct Answer:
Explanation:
Using Statement I: C is not in the statement. So using I only we can never find the relation between R and C. Using Statement II: R is not in the statement .So using II only we can never find the relation between R and C.Using both: We can conclude that R is the granddaughter of C.
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:
Using Statement I:
II ? Suresh ? 21 ? Mohan ? 16
So, there are 21 students between Suresh and Mohan
Using Statement II:
Mohan's name is not even mentioned in the given statement so we cannot find the answer using statement II alone.
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