A question is followed by two statements numbered (I) and (II). You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and decide the appropriate answer. Question: A, B, C, D and E are sitting around a circular table, facing the centre. Who sits second to the right of A? Statements: (I) C sits to the immediate left of E. D sits to the immediate right of A. (II) D is the immediate neighbour of A and B. E sits second to the left of D.
Data in statements I and II together are sufficient to answer the question.
All five face the centre, so for each person, moving to the right means moving anticlockwise. Write the seats going to the right of A as A, R1, R2, R3, R4 (R4 is immediately to the left of A); the required person is R2.
Statement I alone: D is immediately right of A, so R1 = D. C is immediately left of E, so going to the right C is followed directly by E. With B, C, E in R2, R3, R4, either C, E = R2, R3 (B = R4) or C, E = R3, R4 (B = R2). R2 can be C or B, so Statement I alone is not sufficient.
Statement II alone: D sits between A and B. If D is to the right of A (A, D, B), then E, second to the left of D, is R4 and R2 = B. If D is to the left of A (R4 = D, R3 = B), then E is R2. R2 can be B or E, so Statement II alone is not sufficient.
Both together: Statement I fixes D = R1, which picks the first case of Statement II, giving the order to the right of A: A, D, B, C, E.
| Going right from A | A | R1 | R2 | R3 | R4 |
| Person | A | D | B | C | E |
Check: D is immediately right of A and neighbours A and B; C (R3) is immediately left of E (R4); going two seats left from D reaches E – all conditions hold, and the person second to the right of A is B only when both statements are used.
Hence, Data in statements I and II together are sufficient to answer the question.
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Important Questions from Data Sufficiency
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Q. Kunal, Mohit, Rohan, Sandeep, and Tarun - each have different age. Who is the oldest?
(I) Mohit is older than Kunal but younger than Sandeep.
(II) Tarun is younger than Sandeep but older than Mohit. - In this question, a question is followed by two statements numbered (I) and (II). You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and decide the appropriate answer.
Question:
Among 5 trees, L, M, N, T and V each having a different height, which tree is the shortest?
Statements:
(I) N is shorter than only three trees.
(II) N is taller than M but shorter than T. Below is given a pair of questions, which are required to be answered, and a triad of statements. Which group of statements is sufficient to answer both the questions?
Question 1: Who is sitting opposite to Q?
Question 2: Who is sitting to the right of Q?
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Statement 2: P, Q, R, S, T and U are sitting around a round table with six chairs
Statement 3: Q is NOT sitting on the immediate left side of R
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Question : Is \(P > Q\)?
Statement-I: \(x : y = 2 : 1\)
Statement-II: The angle between the two adjacent sides of the parallelogram is \(60^\circ\).
