Question

In a school expenses par boy is Rs 5 & par girl is Rs 7.total expenses is Rs 72 and total student 120.how many boys in this school

Answer 1

5×+7×=72
12×=72
×=72/12=6

total students=120
=120/6=20
therefore there are 10 girls and ten boys

Answer 2

10 boys and 10 girls