Three taps, A, B and C can fill a tank in 6 hours, 8 hours and 12 hours, respectively. Tap D can empty out the tank in 4 hours. The four taps,A,B,C and D, are allowed to run for 4 hours and after that tap D is closed. How long will it take for the 3 taps to fill the remaining part of tank?
Answers
Answered by
3
hope u got it if any doubt ask me tq
Attachments:
shanyakanchan13:
I don't understand
Similar questions