In a school, 3/8 of the number of students are girls and the rest the are boys. One third of the number of boys are below 10 years and 2/3 of the number of girls also below 10 years. If the number of students of age 10 or more years is 260, then the number of boys in the school is:

Answer: Option C

Solution

Answer: Option C

Solution:

Let total students = 72 units

39 units → 260
1 unit → $$\frac{20}{3}$$
45 units → $$45\times \frac{20}{3}$$
Boys = 300