In a row of boys, 'A' who is 10th from the left and 'B' who is 9th from the right, interchange their positions. If 'A' becomes 15th from the left, then how many boys are there in the row?

1
23
2
27
3
28
4
31

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

ЁЯМР Web App Development

Quick Navigation