

MCQOPTIONS
Saved Bookmarks
1. |
A tap can fill an empty tank in 12 h and a leakage can empty the tank in 20 h. If tap and leakage both work together, then how long will it take to fill the tank? |
A. | 25 h |
B. | 40 h |
C. | 30 h |
D. | 35 h |
Answer» D. 35 h | |