Question

There are 65 students in a class. 39 rupees are distributed among them so that each boy gets 80 P and each girl gets 30 P. Find the number of boys and girls in that class.

• A. 24
• B. 25
• C. 26
• D. 27
• E. 28

Answer 1

The correct option is C

26

$\text{Here alligation is applicable for}"\text{money per boy or girl.}"\text{Mean value of money per student}=\frac{3900}{65}=60P$

$\therefore \text{Boys : Girls = 3:2}\therefore \text{Number of boys}=\frac{65}{3+2}\times 3=39\text{And number of girls}=65-39=26$