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Two taps can fill an empty cistern in 8 min and 20 min, respectively. However, together, they take 30 min to fill it because of a leak. How much time wi
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Two taps can fill an empty cistern in 8 min and 20 min, respectively. However, together, they take 30 min to fill it because of a leak. How much time will the leak take to empty a full cistern?

A.

120/17 min

B.

140/17 min

C.

120/19 min

D.

140/19 min

Correct option is A



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