### IBPS Clerk 15-Dec-2012 Question 174

Instructions

Study the following information to answer the given questions :
Eight. friends A. B. C. D. E. F. Ct and H are sitting around a circle facing the centre. not necessarily in the same order. F sits fourth to the left of B. A and H are immediate neighbours of F. C sits third to the left. of A. G sits third to the right of E.

Question 174

# Four of the following five are alike in a certain way based on their seating positions in the above arrangement and so form a group. Which is the one that does not belong to the group ?

Solution

All are facing centre. Since, F sits fourth to the left of B. This means, F sits opposite B. [Since, there are 8 students]

Now, A and H are F neighbours.

case 1 : If A is to the immediate left of F, The, the condition that C is to the third left of A will be invalid as in this case, B is already in that position.

case 2 : A is to the immediate right of F while H is to the immediate left and C is third to the left of A, i.e. immediate left of H.

The arrangement is :

The relationship is, there is only one person sitting between them. The only odd one out is CD, which have two persons sitting between them.

Ans - (C)