Question

6 pipes take 1hour 20 minutes to water the field . How much will it take if only 5 pipes of the same type are used​

Answer 1

Answer:

Lesser the number of pipes more will be the time required by it to fill the tank. So, this is a case of inverse proportion. Thus, time taken to fill the tank by 5 pipes is 96 minutes or 1 hour 36 minutes

Step-by-step explanation:

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Answer 2

Answer:

96 minutes

Step-by-step explanation:

6= 80

1= 6×80

5 = 6×80/5 = 96 minutes .