The ratio of boys and girls in a school is 12:5. If there are 840 girls in the school, then the no. of boys is?
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Answered by
9
let boys be x
atq
12:5 = x : 840
5× x= 12×840
5x=10080
x= 10080/5
x=2016
atq
12:5 = x : 840
5× x= 12×840
5x=10080
x= 10080/5
x=2016
mahima103:
i must be misprinted
Answered by
6
let the no of girls be=5 x
then no of boys is =12x
then
5x=840
x=840/5
x=168
then no of boys=(168x12)
= 2016
then no of boys is =12x
then
5x=840
x=840/5
x=168
then no of boys=(168x12)
= 2016
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