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Two pipes A and B can fill a tank in 6 h...

Two pipes A and B can fill a tank in 6 hours and 9 hours respectively. They are opened alternatel 1 hour each, starting with pipe A first. In how many hours will the tank be filled?

A

5

B

4

C

6

D

7

Text Solution

Verified by Experts

The correct Answer is:
D
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MOTHERS-TIME AND WORK -MULTIPLE CHOICE QUESTIONS
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  18. 6 men or 5 women earn Rs 14,820 in two days. How much will 4 women and...

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  19. One-fourth of a tank can be filled in 3 hours by pipe A and one-third ...

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