Question

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 ,C are open for one hour each alternatively, the tank will be full in:

A) 6 hrs B) 20/3 hrs C) 7 hrs D) 15/2 hrs

Answer 1

Answer:

Option B

20/3hours

Hope u understand

Answer 2

Answer:

B)

Step-by-step explanation:

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