Question

9 pipes are required to fill a tank in 2hours.how long will it take if 3 more pipes are used to fill the same tanks method ​

Answer 1

Answer:

54 hrs

Step-by-step explanation:

No. of pipes required to fill a tank in two hours = 9

Therefore, no. of pipes required to fill a tank in one hour =

$\frac{9}{2} = 4.5$

Now, time required to fill the tank when 3 more pipes are added = (9+3)×4.5

= 12×4.5

= 54 hrs

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