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SSC CGL ::> A swimming pool has 3 drain pipes A, B and C. The pipes A and B, working simultaneously, can empty the pool in half the time taken by pipe C. Pipe A, working alone, takes half the time tak

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  • Aanchal
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8 Answers

  • 15 hrs.

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  • 15 hrs

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  • Let pipe B's speed be xbr /Hence the speed of pipe A is 2xbr /Now the speed of pipe C is 1/2(x+2x)br /Thus the speed of pipe C is 3x/2br /Together 3 pipes empty the pool in 6hrs 40 mins i.e. 400 minutesbr /If we take the ratio of all 3 pipes, C: B: A =3x/2: x: 2xbr /C: B: A=3: 2: 4br /now time taken by A alone would be ((3+2+4)*400)/4br /i.e equal to 900 minutes=15 hoursbr /Hence Pipe A will take 15 hours to empty the swimming pool alone.

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  • B

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  • 15 hrs

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  • 15

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  • (a) 15 hours

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  • br /read more:a rel='nofollow' href="http://www.prep.youth4work.com/Government-Jobs/SSC-CGL-TIER-1-Test/Forum/1340-please-share-the-exam-pattern-of-ssc-cgl-2016" ssc cgl practice/abr /strongemA swimming pool has 3 drain pipes A, B and C. The pipes A and B, working simultaneously, can empty the pool in half the time taken by pipe C. Pipe A, working alone, takes half the time taken by pipe B. All together they take 6 hour 40 minutes to empty the pool. Time taken by pipe A to empty the pool is–/em/strongbr /strongem(a) 15 hours /em/strongbr /strongem(b) 10 hours/em/strongbr /strongem(c) 30 hours /em/strongbr /strongem(d) 7 hoursbr /br /read more: a rel='nofollow' href="http://www.prep.youth4work.com/Government-Jobs/SSC-CGL-TIER-1-Test/Forum/1338-ssc-cgl-notification-2016-exam-pattern-syllabus-etc"ssc cgl practice/a/em/strong

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