Three pipes A, B and C can fill a cistern in 10, 12, and 15 hours respectively, when working alone If all the three pipes are opened together, then the times taken to fill the cistern will be 1 4 hours 2 6 hours 3 7 hours 4 5 hours None of these 5 Three pipes A, B and C can fill a cistern in 10, 1...

Solution 1 Since three pipes A B and C can fill a cistern in 10 12 and 1 ...

Three pipes A, B and C can fill a cistern in 10, 12, and 15 hours...

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Cambridge International AS And A Level Chemistry Coursebook

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Authors: Lawrie Ryan, Roger Norris

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Three pipes A, B and C can fill a cistern in 10, 12, and 15 hours...

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Cambridge International AS And A Level Chemistry Coursebook

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