THE RATIO OF BOYS AND GIRLS IN A SCHOOL IS 5:7 IF THE TOTAL NUMBER OF STUDENT IN THE SCHOOL IS 600, FIND THE NUMBER OF BOYS?
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there are 250 boys in the school.
let us take take the ratio with x.
Therefore, 5x+7x=12x
But,5x+7x=600
therefore 12x=600
& x=50
no. of boys 5x=5×50
=25₩
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