question_answer

Six people A, B, C, D, E and F are sitting, on the ground in a hexagonal shape. All the sides of the hexagon so formed are of same length. A is not adjacent to B or C; D is not adjacent to C or E; B and C are adjacent; F is in the middle of D and C.  Which of the following is not a correct neighbor pair?                       

A)  A and F         

B)  D and F       

C)                     B and E      

D)         C and F       

Correct Answer: A

Solution :

There can be two possible sitting arrangements.     or  So, A and F are not a neighbour pair.