Question

Few cadets are standing in a row. Adil is at the 20
th position from the right, and Neelofar is standing at
the 8
th position from the left. If Adil and Neelofar interchange their positions, Neelofar becomes 15
th
from the left. How many cadets are there in the row?

Answer 1

no. of cadets =position from left+position from right-1
so no of cadets=20+15-1=34
I HOPE IT WILL HELP YOU.

Answer 2

Case 1.

A N
R-20 L-8

Case 2.

Position- N A
Earlier R-20 L-8
New L-15 R-?

Using formula, R+L-1 = n
20+15-1 = n
Therefore, n = 34