A pipe can fill a tank in 20 minutes but due to a leak develop at the bottom of the tank 1 5 of the ...........

Quantitative Aptitude ( CCS) Pipes&cistern

A pipe can fill a tank in 20 minutes but due to a leak develop at the bottom of the tank, 1/5 of the water filled by the pipe leaks out. Find the time in which the tank is filled.

20 min

25 min

30 min

can’t be determined

छोटे Courses बड़े Results

Master Pipes&cistern

Prepare through Micro-courses

Try Now

Explanation:

Answer & Explanation
Answer – b) 25 min
Explanation :
Amount of tank filled by the pipe in one minute = 1/20 and due to leakage 1/5 of 1/20 leaks out so, [1/20 – (1/5)*(1/20)]*T = 1
We get T = 25