There are 7847 students in a school and the ratio of boys to girls in the school is 42 : 17, then find the number of boys in school.

Correct option is C

Given:

Total number of students = 7847

Ratio of boys to girls = 42 : 17
We need to find the number of boys in the school.

Solution:

Total parts = 42 + 17 = 59

Number of boys$$= \frac{42}{59} \times 7$$​847 = 5586