In a row of boys, tahseen is `7^(th)` from the start and `11^(th)` from the end. In another row of boys, Santosh is `10^(th)` from the start and `12^(th)` from the end. How many boys are there in both the rows together?

Options

A. Cannot be determined
B. 37
C. 39
D. None of these

Answer

D

Explanation

First Row: Tahseen.s rank from the start =`7^(th)`. Tahseen.s rank from the end `=11^(th)`

So, total no. of boys in the first row `=(7+11)-1=17`
Second Row: Santosh.s rank from the start= `10^(th)`. Santosh.s rank from the end `=12^(th)`

So, Total no. of boys in the second row= `(10+12)-1= 21` Therefore, Required no. of boys. total no. of boys in first row + Total no. of boys in second row `=17+21=38`.