Pipes and Cisterns Problems Practice Question and Answer
2 4 Q:
5fc0dec0a96c23701f169628 4 Q:
60055150f5c84e74406111e4
Q: Three pipes, A B and C, can fill a cistern in 12, 18 and 24 minutes, respectively. If all the pipes are opened together for 7 minutes, what will be the volume of the water that overflows as the percentage of the total volume of the cistern?
592 05fc0dec0a96c23701f169628
5fc0dec0a96c23701f169628- 1$$ {23{2\over 3}}$$false
- 2$$ {26{5\over 18}}$$false
- 3$$ {23{1\over 3}}$$false
- 4$$ {26{7\over 18}}$$true
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Answer : 4. "$$ {26{7\over 18}}$$"
Q: A pump can fill a cistern in 40 minutes and another pump can empty the filled up cistern in 1 hour. By mistake, without closing the second pump, the first pump is opened. The time in which the empty cistern will be filled up is
535 060055150f5c84e74406111e4
60055150f5c84e74406111e4- 13 hoursfalse
- 24 hoursfalse
- 31 hoursfalse
- 42 hourstrue
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Answer : 4. "2 hours"
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