Question

the volume of a Reservoir is 108m³. water is poured into it at the rate 60 litres per minute. How many hours will it take to fill the reservoir ​

Answer 1

Answer:

30 hours

Step-by-step explanation:

Given:

Volume of reservoir = 108 m³

                                  = 108 * 1000

                                  = 108000 liters.

Also Given,

Water is poured at the rate of 60 liters/minute.

Time taken to pour 1 liter water = (1/60) minute.

Then,

Time taken to pour 108000 liters :

= (108000) * (1/60)

= (108000/60)

= 1800 minutes

= (1800/60) hours

= 30 hours.

Therefore,

Time taken to fill reservoir = 30 hours.

Hope it helps!

Answer 2

Answer:

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Given :-

: volume of reservoir = 108 m³

: rate of flow of water= 60 per minute

To find :-

time taken to fill the reservoir

Solution :-

Time taken to fill the reservoir

$= \frac{\underline{ \rm \red \: {vol. \: of \: reservoir\: in \: litre}}}{ \rm \red{{rate \: of \: flow \: \: in \: litre }}} \: )$

$= ( \frac{108 \times 1000}{60} ) \:{\rm \red \{{{min}}} \\ \\ = ( \frac{108 \times1000}{60 \times 60}) \: hours \\ \\ = 30 \: hours$