Question

Out of the total 390 students studying in a
college of Arts and Science, boys and girls are in
the ratio of 7:6 respectively and the number of
students studying Arts and Science are in the
ratio of 3:7 respectively. The boys and girls
studying Arts are in the ratio of 4:5 respectively.
1. How many boys are studying Science?

Answer 1

The no of boys in science are 158.
Detailed solution image is attached