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A tank is being drained at a constant ra...

A tank is being drained at a constant rate. If it takes 3 hours to drain 6/7 of its capacity. How much longer will it take to drain the tank completely?

A

1/2 hour

B

3/4 hour

C

1 hour

D

`3//2` hour

Text Solution

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The correct Answer is:
A
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