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Pipes and Cisterns Practice Test 2 with solutions

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Question : 15

Total: 40

Three pipes A, B and C can fill a tank in 4, 13 and 52 hr respectively. If all the three pipes are opened simultaneously, how much time will be taken by them to fill it?

2
8
9
hours
3 hours
2
1
3
hours
3
2
7
hours
None of these

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