

MCQOPTIONS
Saved Bookmarks
1. |
A flask has two holes. The 1st hole alone makes the flask empty in 9 minutes and 2nd hole alone makes the flask empty in 16 minutes. If water leaks out at constant rate, how long in minutes does it take if both the holes together empty the flask?A. \(\frac{{19}}{{25}}\)B. \(4\frac{{19}}{{25}}\)C. \(5\frac{{20}}{{25}}\)D. \(5\frac{{19}}{{25}}\) |
A. | C |
B. | B |
C. | A |
D. | D |
Answer» E. | |