Question

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

Answer 1

Hlo friend..

Volume of cuboidal reservoir =
$108 {m}^{3}$

1 m³ = 1000L

108 m³ = 108 ×1000 L

= 108000 L

60 litres per minute.

60L = 1 M

1 L = 1 / 60 M

108000 L = 108000 × 1/60

= 1800 M

60 M = 1h

1 M = 1/60 h

1800 M = 1800 × 1/60

= 30 h

30 hours, it will take to fill the reservoir.

HOPE IT HELPS YOU...

REGARDS
@sunita

Answer 2

volume of reservoir = 108cube.m
1 cube m=1000litres
108.........=1000×108=108000litres
water poured 60litres in= 1 min
water...................1litre in=1/60 min
...............................108000litres = 1/60×108000=1800 min=30 hours