Question

The total number of students in a school is 1540 and 45 %of the students in the school and girls, find the number of boys in the school

Answer 1

Total no. of students=1540
No. Of girls=1540×45/100
=693
No. Of boys=
1540-693
=847

Answer 2

If girls are 45 percent

Boys will be 55 percent

55 percent of 1540 is

1540*55/100

847

Hence their are 847 boys in school