empty it completely?
Pipes a, b and c filled a tank alone in 10,15,20 respectively.
all the three pipes are simultaneously opened, in how much
time will the tank be full?
Q.7) Pipes a and h
Answers
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Step-by-step explanation:
a= 10 b= 15 c =20
work by a is 1/10
work by b is 1/15
work by b is 1/20
work together 1/10+1/15+1/20
LCM of 10,15,20
6+4+3/60
13/60
4.7 hrs
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