Question

Water is pouring into a cubiodal 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 1

Volume of cuboidal reservoir = 108 m³ = (108 × 1000) L = 108000 L It is given that water is being poured at the rate of 60 L per minute. That is, (60 × 60) L = 3600 L per hour

Required number of hours = 108000/3600

= 30 hours

Thus, it will take 30 hours to fill the reservoir.