# Discussion of Question with ID = 078 under Sitting-Arrangements

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### Question

In a line of 70 boys, A is 6th to the right of S and S is 11th to the left of V. If A is 28th from the right end of the row, what is the position of V from the left end of the row?

A
47th
B
51st
C
50th
D
48th
Soln.
Ans: d

Let the positions of A, S, V from the left end be a, s and v respectively. The position of the last end is 70. We are given that.

a = s + 6.

s + 11 = v.

a + 27 = 70.

We have to find the value of v. From the last equation, we have a = 70 - 27 = 43. Put it in first to get s = 43 - 6 = 37. Finally by the second equation, we have v = 37 + 11 = 48.