Math, asked by mahima103, 1 year ago

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?

Answers

Answered by tiwariahana75
9
let boys be x
atq
12:5 = x : 840
5× x= 12×840
5x=10080
x= 10080/5
x=2016

mahima103: i must be misprinted
tiwariahana75: yes
tiwariahana75: you are right
tiwariahana75: in which school
mahima103: i will follow you
mahima103: you follow me
mahima103: scientua
tiwariahana75: ok
vardhan1000: my answer is the same i just did it the way i do
vardhan1000: no offense
Answered by vardhan1000
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

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