Basic LR Sets

Five people A, B, C, D and E are seated about a round table. Every chair is spaced equidistant from adjacent chairs.

  • (i) C is seated next to A
  • (ii) A is seated two seats from D
  • (iii) B is not seated next to A

Which of the following must be true?

  • (I) D is seated next to B
  • (II) E is seated next to A

Select the correct answer from the codes given below:

  1. I only
  2. II only
  3. Both I and II
  4. Neither I nor II

Answer

The arrangement is in circular table.

C is seated next to A

Conclusion: -AC- or -CA-

A is seated two seats from D

Conclusion: A-D or D-A

B is not seated next to A

Conclusion: E must be next to A.

Combining, ACDBEA

The correct option is C.