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CMAT 2013 Solved Question Paper

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Question : 14

Total: 100

Two pipes A and B can fill a cistern in 15 h and 10 h respectively. A tap C can empty the full cistern in 30 h. All the three taps were open for 2 h, when it was remembered that emptying tap had been left open. It was then closed. How many hours more would it take for the cistern to be filled?

8 h 30 min
1.2 h
6 h 24 min
5 h 35 min

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