In a school the ratio of boys to girls is 3 to If the total student is 150 then how many boys are there?

In a school the ratio of boys to girls is 3 to If the total student is 150 then how many boys are there?

A 45

B 75

C 90

D 120

Solution

Correct Answer: Option A

ratio= 3:7 sum of ratio=3+7=10 boys are=3/10 X150 =45