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Two pipes A and B can fill a tank in 24 ...

Two pipes A and B can fill a tank in 24 minutes and 32 minutes respectively. If both the pipes are opened simultaneously, after how much time B should be closed so that eh tank is full in 18 minutes?

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RS AGGARWAL-PIPES AND CISTERNS-All Questions
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  2. Three pipes A, B and C are attached to a tank. A and B can fill  ...

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  3. Two pipes A and B can fill a tank in 24 minutes and 32 minutes resp...

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  4. A keg is fitted with 3 taps A, B and C. All the three taps, if ope...

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  5. In 1 minute 3/7 of a bucket is filled. The rest of the bucket can be...

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  8. Two pipes A and B can fill a tank in 20 and 30 minutes respectively...

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  9. A pipe can fill a tank in x hours and another pipe can empty it in ...

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  10. A tap can completely fill a water tank in 8 hours. The water tank h...

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  11. A tap can fill a tank in 48 minutes whereas another tap can empty i...

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  12. A tank with capacity T litres is empty. If water flows into the tan...

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  13. Pipes A and B can fill a tank in 20 hours and 30 hours respectively...

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  14. A pipe can fill a tank in 3 hours. There are two outlet pipes from ...

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  15. In what time would a cistern be filled by three pipes whose diamete...

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  16. A tap can fill a tank in 6 hours. After half the tank is filled, th...

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  17. A cistern has two pipes. One can till it with water in 8 hours and ...

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  18. A vessel has three pipes connected to it two to supply liquid and o...

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  19. Two pipes A and B can separately fill a cistern in 60 minutes and 7...

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  20. Eight pipes are fitted to a water tank. Some of these are water pip...

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