Two pipes A & B can separately fill a cistern in 220 minutes and 330 minutes. Together, they can fill the cistern in:

Aptitude and Reasoning MCQ Questions with Solutions

Two pipes A and B can separately fill a cistern in 220 minutes and 330 minutes. Together, they can fill the cistern in:

A) 1 hour 32 minutes
B) 1 hour
C) 2 hour 12 minutes
D) 2 hour

Answer & Description:

C) 2 hour 12 minutes
Pipe A can fill a cistern in minutes = 220
Pipe B can fill a cistern in minutes = 330
Hence Together they can fill it in 132 minutes.
Together, they can fill the cistern in: 2 hours 12 minutes.

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