Discussion of Question with ID = 682 under Alphabet-Number-Series

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Question

Position of Ram from the left in a row of students is 11, whereas the position of Jasmine sitting in the same row is 11th from the right. After interchanging their positions, the position of the Ram becomes 14th from the left. What is the total number of students in the row?

A

24

B

30

C

22

D

18

Soln.
Ans: a

Sum of positions of an item from top(right) and bottom(left) of a list is always equal to the sum of the positions of the first and last items. So total items is = 11 + 14 - 1 = 24.


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