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A leak in the bottom of a tank can empty...

A leak in the bottom of a tank can empty the full Tank in 8 hours. An inlet pipe fills water at the rate of 6 litres a minute. When the tank is full the inlet is opened and due to the leak, the tank is empty in 12 hours. How many litres does the tank hold? `7580` b. `8290` c. `7960` d. `8640`

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RS AGGARWAL-PIPES AND CISTERNS-All Questions
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  10. Three pipes A, B and C can fill a tank in 6 hours. After working at...

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  11. A bath can be filled by the cold water pipe in 10 minutes and by th...

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  13. A town is supplied with water from a big overhead tank which is fed...

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  14. Water flows through a cylindrical pipe of internal diameter 7 cm at...

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  15. An outlet pipe can empty a cistern in 3 hours. In what time will th...

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  16. Two pipes A and B can fill a tank in 24h and 30 h respectively. If ...

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  17. A tank is 7 metre long and 4 metre wide. At what and speed should w...

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  18. Two pieces A and B can fill a tank in 18 hrs and 6 hrs respectively...

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  19. Two pipes can fill a tank in 12 hours and 16 hours respectively. A ...

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  20. a tank has two outlets A and B, which together take 6h to empty a f...

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