Two pipes A and B can fill a tank in 5 hours and 20 hours respectively – McqOptions

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1.	Two pipes A and B can fill a tank in 5 hours and 20 hours respectively. Both pipes together can fill the same tank in:
A.	4 hours
B.	6 hours
C.	10 hours
D.	2 hours
Answer» B. 6 hours

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