Question

6 pipes fill a tank in 120 minutes, how long will it take to fill the tank if 5 pipes of the  same type are used.​

Answer 1

Step-by-step explanation:

no. of pipes. time taken

6 120min

5. ?

By inverse proportion,

x1y1 = x2y2

6*120. =. 5*x

120*6/5 = x

x =. 144min

Answer 2

Answer:

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