Tap-A fills a tank in 5 hrs, Tap-B fills the same tank in 15 hrs, and – McqOptions

MCQOPTIONS

1.	Tap-A fills a tank in 5 hrs, Tap-B fills the same tank in 15 hrs, and Tap-C empties the same tank in 10 hrs. With all the three taps open together, the tank will fill in:
A.	6 hrs
B.	5 hrs
C.	Never fill
D.	10 hrs
Answer» B. 5 hrs

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