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Pipe A can fill a tank in 30 hours an...

Pipe A can fill a tank in 30 hours and pipe B in 45 hour. If both the pipes are opened in an empty tank how much time will they take to  fill it?

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RS AGGARWAL-PIPES AND CISTERNS-All Questions
  1. A tank 9 ft by 5 ft by 2 ft is fitted with an inlet pipe and an exh...

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  2. Pipe A can fill a tank in 30 hours and pipe B in 45 hour. If both t...

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  3. A cistern can be filled by pipes A and B in 4 hours and 6 hours res...

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  4. A pipe can empty a tank  in 40 minutes. A second pipe with diame...

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  5. A tap can fill a tank in 10 minutes and another can empty it in 6 m...

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  6. A cistern has two taps which fill it in 12 minutes and 15 minutes r...

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  7. An electric pump can fill a tank in 3 hours because of a leak in th...

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  8. To pipes can fill a cistern in 14 hours and 16 hours respectively. ...

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  9. If two pipes function simultaneously, a reservoir will be filled in...

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  10. A tank is fitted with two inlet pipes A and B, and an outlet pipe C...

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  11. Two pipes A and B can fill a tank in 12 minutes and 15 minutes resp...

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  12. Pipes A and dB can completely fill a water tank in 4 hours and 5 ho...

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  13. A cistern has three pipes A, B and C. A and B can fill it in 3 hrs and...

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  14. Three pipes A, B and C are attached to a tank. A and B can fill  ...

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

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

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

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  18. The petrol tank of an automobile can hold g litres. If a litres was re...

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  19. Water is continuously supplied from a reservoir to a locality at th...

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

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