Question

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

• A. 43,40
  
• B. 36,33
• C. 39,26
• D. 45,42
• E. None of the above

Answer 1

The correct option is C 39,26

Here, alligation is applicable for 'money per boy or girl'.
Mean value of money per student =$\frac{65}{3+2}=60P.$

$\therefore$ Boys:Girl =3 : 2.
$\therefore$ Number of boys $=\frac{65}{3+2}\times 3=39$
Number of girls =65-39=26