| A tap can fill a cistern in 8 h and another tap can empty it in 16 h. If both the taps are open, then the time (in hours) taken to fill the tank is |
A) 8
B) 10
C) 16
D) 24
Correct Answer: C
Solution :
| Part of tank fill in 1 h when both taps are open |
| \[=\frac{1}{8}-\frac{1}{16}=\frac{2-1}{16}=\frac{1}{16}\] |
| \[\therefore \]Time taken to fill the tank when both pipes are open |
| \[=16\,\,h\] |
You need to login to perform this action.
You will be redirected in
3 sec
