BA LLB Banaras Hindu University 2017 Solved Paper

Question : 103 of 170

Marks: +1, -0

In a row of boys, if A who is 10 th from the left and

{B}

who is 9 th from the right interchange their position, A becomes 15 th from left. How many boys are there in the row?

Solution:

According to question

B

is 9 th from the right end and 15 th from the left end.
Therefore, total number of boys in the row

=9+15-1=23

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