1.

Pipes A and B can fill a tank in 16 hours and 24 hours respectively whereas pipe C can empty the full tank in 40 hours. All three pipes are opened together, but pipe A is closed after 8 hours. After how many hours, the remaining part of tank will be filled?

A. 26
B. 22
C. 30
D. 28
Answer» C. 30


Discussion

No Comment Found

Related MCQs