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:
1.6 hours
2.6 2/3 hours
3.7 hours
4.7 1/2 hours
Answer:3
Posted Date:-2022-02-23 11:19:03