Question

a water pump pumps out 4500L of water in 1hour. of it works for 8 hours a day find the amount of water it pumps out in a week. ​

Answer 1

Step-by-step explanation:

Step-by-step explanation:

Given : An engine pumps out of 850 liters of water in one minute.

To find : How many hours will it take to pump out 1377000 liters of water ?

Solution :

850 liters of water out in one minute.

1 liter of water out in \frac{1}{850}

850

1

minutes.

Then, 1377000 liters of water out in 1377000\times \frac{1}{850}1377000×

850

1

minutes.

1377000 liters of water out in 1620 minutes.

We know that,

1 hour = 60 minutes

1 minute = \frac{1}{60}

60

1

hours.

1620 minute = 1620\times \frac{1}{60}1620×

60

1

hours.

1620 minute =27 hours.

Therefore, 1377000 liters of water out in 27 hours.

Answer 2

Answer:

The amount of water will be pumped out in a week is 252000 L.

Step-by-step explanation:

• The water pump in 1 hour pumps out water of volume 4500 L.

This water pump in 8 hour will pump out water of volume 8 × 4500 L

                                                                                               = 36000L

• As per day the pump works for 8 hours, so per day it will lift 36000L water.

        One week = 7 days.

• In 1 day the pump pumps out water of 36000L.

       In 7 days the pump will pump out water of (36000 × 7) L

                                                                               = 252000 L.

∴ The amount of water will be pumped out in a week is 252000 L.

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