Question

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water is pouring into a cuboidal reservoir at the rate of 60 litres per minute. If the volume of reservoir is 108m², find the number of hours it will take to fill the reservoir.

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Answer 1

Answer:

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Step-by-step explanation:

and volume of the reservoir is 108 cm³. Water is being poured at rate of 60 litre per minute. Hence, it will take 30 hours to fill the reservoir

Answer 2

$\huge\mathcal\red{Given\::}$

${\:\:\:\:\:\:}$

• $\sf\small{Volume\: of\: the \:reservoir\:=\:108\:m³ }$
• $\sf\small{Reservoir \:at \:the\: rate \:=\:60\:litres\:per }$$\sf\small{minute.}$

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$\huge\mathcal\red{Find\::}$

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• $\sf\small{The \:number\: of\: hours\: it \:will\:take\:to\:fill\:the }$$\sf\small{ reservoir.}$

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$\huge\mathcal\red{Solution\::}$

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$\sf\small{\:\:\:\:\:\:=\:108\:×\:1000 \:litres}$

$\sf\small{\:\:\:\:\:\:=\:108000\: litres}$

• $\sf\small{Since \:water\: is \:pourind\: into \:reservoir\:@\:60}$$\sf\small{ litres\: per \:minute.}$

$\sf\small{\:\:\:\:\:\:∴\: Time\: taken \:to\: fill\: the }$$\sf\small{reservoir.}$

$\sf\small{\:\:\:\:\:\:=}\:\sf\frac{\:108000}{60\:×\:60}\:hours$

$\sf\small{\:\:\:\:\:\:=\:30 \:hours.}$

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