One-third of the boys and one-half of the girls of a college participated in a social work project. If the number of participating students is 300 out of which 100 are boys, what is the total number of students in the college?
(a)500
(b)600
(c)700
(d)800
Answer
Answer (as printed): C
Explanation
Number of boys who participate $=100$. $\therefore \quad \frac{1}{3}$ of boys = 100 or total number of boys = 300.
Explanation as extracted from the printed page; notation may be imperfect.