Question

a tap can fill a tank of 500litres in3hours 30 minutes .in how much time will it fill 1/5 of the tank

Answer 1

500 × 1/5 = 100 ltr

500 ÷ 3.5 = 142.85

100/142.85 × 60 = 42 minutes

Answer 2

42 minutes of time will be required to fill 1/5 of the tank.

Step-by-step explanation:

Given that,

Time taken by the tap to fill 500 liters = 3hours 30 minutes or 3.5 hours

1/5 of 500 liters = 1/5 * 500 = 100 liters

To find,

The Time required to fill 1/5 of the tank using unitary method = (3.5/500) * 100

= 0.7 hour

= 0.7 hour * 60

= 42 minutes

Thus, the time required to fill 1/5th of the tank is 42 minutes.

Learn more: calculate the time required to fill the tank

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