Question

Q. 3: 5 pipes fill a tank in one hour. Same 4 pipes will fill the tank in-​

Answer 1

Step-by-step explanation:

5pipes in 1hr

: 60/5 = 12 min

therefore 12 ×4 = 48mins

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Answer 2

same 4 pipes will fill the tank in 1 hour and 12 minutes.