Math, asked by harpinder728, 16 days ago

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

Answered by kripaksheth
0

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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