Question Paper from: SBI Clerk Prelims 2016

A tap can empty a tank in one hour. A second tap can empty it in 30 min. If both the taps operate simultaneously, how much time is needed to empty the tank?

1:
20 min
2:
30 min
3:
40 min
4:
45 min
5:
None of these
Solution:
Chapter Name: Pipes and cisterns

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SBI Clerk Prelims 2016

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