two taps take 5 and 10 hours to fill a tank. two outlets take 15 and 30 hours to empty the tank. if both taps and both the outlets are opened,how long will it take to fill the tank.
( the answer should come 5 hours )
Answers
Answered by
0
Answer:
5hrs 20 mins..............................
Answered by
0
Answer:
5hrs 20 mins..............................
Step-by-step explanation:
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