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Munfaij Khan

· started a discussion

· 1 Months ago

munfaij khan (Question: 286807.0 )

ans is 15

Question:

A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hour faster than the first pipe and 4 hour slower than the third pipe. The time required by the first pipe is –

Options:
A)

6 hours

B)

15 hours

C)

10 hours

D)

30 hours

Solution:

Ans: (c)

  

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