Login / Signup

Question

Tap ‘A’ and tap ‘B’ can fill a tank in 32 hours and 24 hours, respectively. If both taps are opened together, then find the time after which tap ‘A’ must be closed so the whole tank can be filled in 15 hours.

A 16 hours

B 18 hours

C 14 hours

D 32 hours

E 12 hours

Practice Next

More Pipes and cisterns Questions

Two pipes X and Y can fill a tank in 90 minutes and 60 minutes respectively. A third pipe Z can empty the tank in 2 hours 30 minutes. X is kept closed. Y a...
Pipe ‘A’ can fill a tank in 20 hours while pipe ‘B’ takes 30 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 11 hours pipe ‘B...
Pipe 'M' and 'N' can fill a tank in 2 hours and 1 hour 20 minutes respectively. 'M' is opened alone. After 30 minutes, 'M' is closed and 'N' is opened. Fin...
A pipe can fill a tank in 36 minutes while another pipe can drain the full tank in 48 minutes. Calculate how much time both pipes working together will tak...
An inlet pipe can fill an empty tank in 12 minutes whereas an outlet pipe can empty the fully filled tank in 18 minutes. Find the time taken by both the pi...
A leak in the bottom of the tank can empty the full tank in 18 hours. An inlet pipe fills water at the rate of 12 liters a minutes. When the tank is full, ...
Pipe ‘P’ and pipe ‘Q’ can fill a tank alone in 24 hours and 48 hours, respectively. If both pipes are opened together and pipe ‘P’ is closed after 8 hours,...
Pipe 'A' is 4 times as efficient as pipe 'B'. Pipe 'C', which is one-fourth as efficient as pipe 'B', can fill a tank alone in 32 hours. Find difference be...
Pipe 'A' takes 10 minutes to fill half the tank. Pipe 'B' is 2 times more efficient than pipe 'A'. Find % of tank filled in 5 minutes by both.
An inlet pipe can fill an empty tank in 50 minutes whereas an outlet pipe can empty the fully filled tank in 75 minutes. Find the time taken by both the pi...

Relevant for Exams:

Hey! Ask a query

ask-question