8th Class Mathematics Sample Paper Mathematics Sample Paper - 10

  • question_answer
    Water is pouring into a cuboidal reservoir at the rate of 60 litres per minute. If the volume of reservoir is 108 m3, find the number of hours it will take to fill the reservoir.

    Answer:

    Given, Volume of reservoir = 108
    Volume of water \[=\text{ }108\times 1000\text{ }L\]
    = 108000 L
    60 litres water filled reservoir in 1 minute
    108000 litres water filled reservoir in
    \[=\frac{1}{60}\times 108000\]
    = 1800 minutes
    \[=\frac{1800}{60}\]hrs
    =30 hrs
    Hence, 108000 L water filled reservoir in 30 hrs.


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