Tap A fills a tank in 12 hours, while Tap B empties the same tank in 2 – McqOptions

MCQOPTIONS

1.	Tap A fills a tank in 12 hours, while Tap B empties the same tank in 20 hours. If both the taps are open together, the tank will fill in:
A.	36 hours 24 min
B.	24 hours 45 min
C.	20 hours
D.	30 hours
Answer» E.

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