15. A petrol pump delivers 4 litres of petrolper minute. How many minutes will it taketo fill a tank that holds 16 1/4 litres
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Answer: In 65/16 minutes Petrol pump would deliver 16 1/4 liter of petrol
Step by step explanation: Time taken to deliver 4 liters of petrol =1 min.
Time taken to deliver 1 liter of petrol = 1/4 min.
Time taken to deliver 16 1/4 liter of petrol = 16 1/4 X 1/4
= 65/4 X 1/4
=65/16 minutes
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