Question

Tap A fills a tank in 2 hours. Outlet B and C can empty the tank in 4 hours and 6 Hours respectively. if the tank is empty and A and B are turned on, A,B and C are all are turned on. how long will the tank take to be empty​

Answer 1

Answer:

time taken by A to fill the tank=2 hours

time taken by B. and C to empty the tank=4+6=10 hours

(1) part of tank filled by A in 1 hour =1/2

part of tank emptied by B in 1 hour =1/4

part of tank filled in 1 hour = 1/2+1/4=3/4

just simply divide 1 hour into 4 parts= 15 mins each part

time taken by the tank to be filled= 1hour 15min

Step-by-step explanation:

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