Question

A sum of Rs.312 was divided among 100 boys and girls in such a way that each boy gets Rs.3.60 and each girl, Rs.2.40. The number of girls is?

• A. 40
• B. 60
• C. 100
• D. 20
• E. 80

Answer 1

The correct option is A

40

Let x be the number of girls

So $3.6(100-x)+2.4x=312$

So x=40

Therefore, the number of girls is 40.