Discussion Forum



1)

Mary has m minutes of home work in each of her s subjects. In one hour she completes what part of her home work?


A) $\frac{m}{s}$

B) $\frac{ms}{60}$

C) $\frac{60}{ms}$

D) $\frac{s}{m}$

E) None of these

Answer:

Option C

Explanation:

Total time taken for all home work in all subjects $= ms$ minutes $=\frac{ms}{60}$ hours

In 1 hr she completes $\frac{60}{ms}$ home work