Question

The number of boys to girls in a school is in the ratio 12:13. If the difference in the number of boys and girls is 56, how many boys are there in the school?​

Answer 1

Answer:

Let there be 100 students.

Then number of boys =

5

3

×100=60

Number of girls =

5

2

×100=40

Total scholarship holders =20 % of 60 + 30 % of 40=

100

20

×60+

100

30

×40 = 12+12=24

Number of students without scholarship =100−24=76

∴% of students without scholarship =

100

76

×100=76 %

Answer 2

Step-by-step explanation:

let the no. of boys be 12x and no.of girls be 13x

13x-12x=56

x=56

no.of boys =12x=56×12

672