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Pipes A and dB can completely fill a ...

Pipes A and dB can completely fill a water tank in 4 hours and 5 hours respectively. A pipe C an empty a tank filled completely with water in 3 hours. Initially, the tank is empty and all pipes are closed. Pipe A is opened first at time `t=0\ ` and pipe C is opened at the instant when the tank is exactly half filled with water. Pipe B is opened after pipe C and at the instant when the tank is exactly one-fourth filled with water. Find the total time taken to fill the tank completely counting for `t=0` .

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RS AGGARWAL-PIPES AND CISTERNS-All Questions
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  2. Two pipes A and B can fill a tank in 12 minutes and 15 minutes resp...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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