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Two inlet pipes, A and B can fill an emp...

Two inlet pipes, A and B can fill an empty cistern in 22 and 33 hours, respectively. They were opened at the same time, but pipe A had to be closed 3 hours before the cistern was full. How many hours in total did it take the two pipes to fill the cistern ?

A

15

B

16.2

C

14.2

D

16

Text Solution

Verified by Experts

The correct Answer is:
A
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