Curioustab

Home » Aptitude » Pipes and Cistern

A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in?

16 hrs.
20 hrs.
25 hrs.
40 hrs.

Correct Answer: 40 hrs.

Explanation:

Work done by leak in 1 hour = (1/8 - 1/10) = 1/40
∴ The leak will empty the cistern in 40 hours.

← Previous Question Next Question→

More Questions from Pipes and Cistern

A pipe can empty a tank in 12 minutes and another pipe can empty it in 16 minutes. If both the pipes are opened simultaneously, find the time in which a full tank is emptied?
A cistern is normally filled in 8 hrs. but takes 2 hrs. longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in?
An inlet pipe fills 1/8 part of a tank in 1 h. How much time will the pipe take to fill the empty tank?
An outlet pipe can empty a cistern in 3 h. In what time will the pipe empty two-third part of the cistern?
A pipe can fill a tank in 20 h. Due to a leak in the bottom, it is filled in 40 h. If the tank is full, how much time will the leak take to empty it?
If a pipe fills a tank in 6 h, then what part of the tank will the pipe fill in 1 h?
An outlet pipe can empty a cistern in 30 min, then what part of the cistern will it empty in 1 min?
Three pipes A, B and C can fill a tank separately in 8 h,10 h and 20h, respectively. Find the time taken by all the three pipes to fill the tank when these pipes are opened together?
A tap can fill a tank in 16 minutes and another can empty it in 8 minutes. If the tank is already half full and both the taps are opened together, the tank will be?
A cistern can be filled by two pipes A and B in 4 hours and 6 hours respectively. When full, the tank can be emptied by a third pipe C in 8 hours . If all the taps be turned on at the same time, the cistern will be full in?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion