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15
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➤ Pipes And Cisterns ➤ 1
Question 1
Q1.
Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be full in:
6 hours
6
2
/
3
hours
7 hours
7
1
/
2
hours
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