Home » Aptitude » Pipes and Cistern

One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in:

Correct Answer: 144 min.

Explanation:

Let the slower pipe alone fill the tank in x minutes.



Then, faster pipe will fill it in x minutes.
3



1 + 3 = 1
x x 36



4 = 1
x 36


x = 144 min.


← Previous Question Next Question→

Discussion & Comments

No comments yet. Be the first to comment!
Join Discussion