

MCQOPTIONS
Saved Bookmarks
1. |
A pipe can fill a tank with water in 3 hours. Due to leakage in bottom, it takes 31 hours to fill it . In what time the leak will empty the fully filled tank ? 2 |
A. | 12 hours |
B. | |
C. | 21 hours |
D. | |
E. | |
Answer» C. 21 hours | |