Study the following information to answer the given question:
Twelve people are sitting in two parallel rows containing six people each such that they are equidistant from each other. In row 1: P, Q, R, S, T and V are seated and all of them are facing South. In row 2: A, B, C, D, E and F are seated and all of them are facing North. Therefore in the given seating arrangement, each member is seated in a row faces another member of the other row.
From the first three conditions, two solns are possible
S _ _ Q _ _
_ E _ _ _ _
or
_ _ S _ _ Q
_ _ _ E _ _
As B and F have two people between them and neither are at the extremes, they must by in the second and fifth place. Hence, we can rule out configuration 1.
From the 6th condition, B should be fifth from left and F second.
Thus, we get
P _ S _ _ Q
_ F _ E B _
As C is second to the left of A, C must be first from left and A third. Hence, D is last from left. Thus, we can place all the people as follows
$$\downarrow$$ P V S T R Q
$$\uparrow$$ C F A E B D
Hence, P and D are at extreme ends.
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