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Inlet A is four times faster than inlet ...

Inlet A is four times faster than inlet B to fill a tank. If A alone can fill it in 15 min, how long will it take if both the pipes are opened together?

A

10 min

B

12min

C

15 min

D

14min

Text Solution

Verified by Experts

The correct Answer is:
B
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ARIHANT SSC-PIPES AND CISTERNS -EXERCISE BASE LEVEL QUESTION
  1. A cistern can be filled up in 4 h by an inlet A. An outlet B can empty...

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  2. A pipe can fill a tank in 20 h. due to a leak in the bottom , it is fi...

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  3. A pipe can fill a tank in 10h , while an another pipe can empty it in ...

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  4. Three pipes A , B and C can fill a tank separately in 8h , 10 h and 20...

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  5. Three tapes are fitted in a cistern . The empty cistern is filled by t...

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  6. Pipe A can fill a tank in 30 min , while pipe B can fill the same tank...

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  7. Pipes A and B can fill a tank in 5 and 6 h, respectively. Pipe C can f...

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  8. Through an inlet, a tank takes 8 h to get filled up. Due to a leak in ...

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  9. A tap can fill an empty tank in 12 h and a leakage can empty the tank ...

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  10. Three taps A ,B and C together can fill an empty cistern in 10 min . T...

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  11. Two pipes A and B can fill a tank in 1 h and 75 min, respectively. The...

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  12. A tank has a leak which would empty it in 8h. A tap is turned on which...

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  13. A, B and C are three pipes connected to a tank. A and B together fill ...

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  14. Two pipes P and Q can fill a cistern in 12 and 15 min, respectively. I...

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  15. Two pipes A and B are opened together to fill a tank. Both pipes fill ...

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  16. There are three pipes connected with a tank. The first pipe can fill 1...

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  17. Two pipes can fill a tank in 20 and 24 min, respectively and a waste p...

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  18. Inlet A is four times faster than inlet B to fill a tank. If A alone c...

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  19. There are two inlets A and B connected to a tank . A and B can fill th...

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  20. Two pipes X and Y can fill a cistern in 6 and 7 min, respectively. Sta...

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