Discussion of Question with ID = 280 under Alphabet-Number-Series

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Question

Shubham is ranked 7th from the top and Karuna is ranked 13th from the bottom in a class of 19 students. How many students are there between Shubham and Karuna?

A

5

B

6

C

12

D

10

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 position of Shubham from the bottom is = 19 - 7 + 1 = 13. Number of students between them is: difference of 13 and 7 (minus 1) = 5

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