A tank has two inlets taps A and B which can fill it in 12 hours and 15 hours respectively . An outlet C, can empty the full tank in 10 hours. if all the three taps A,B and C are opened together, how much time will they take to fill the empty tank?
Answers
Answered by
5
Answer:
It will take 20 minutes to fill the empty tank.
Step-by-step explanation:
In one hour,
A tap fills =1/12 part
B tap fills =1/15 part
C tap fills = -1/10 part
Work done by the three taps together to fill the empty is
=1/12 + 1/15 - 1/10
=5+4-6/60
=9-6/60
=3/60
=1/20
So, it will take 20 minutes to fill the empty tank.
Answered by
3
Answer:
answer 20
Step-by-step explanation:
A=12
B=15
C=10
1/12+1/15+1/10
5+4-6/60
3/60
1/20
answer 20
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