6 pipes are required to fill a tank in 1 hour. How long will it take if only 5 pipes of the same type are used ?

D

Deepak Sahoo

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Q. 6 pipes are required to fill a tank in 1 hour. How long will it take if only 5 pipes of the same type are used ?

(A) 75 minutes
(B) 72 minutes
(C) 80 minutes
(D) 90 minutes

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✅ Correct Answer: (B) 72 minutes

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