A village overhead reservoir is a cuboidal concrete tank whose inner dimensions are…
MATHEMATICS · Multi-part · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes
Problem
A village overhead reservoir is a cuboidal concrete tank whose inner dimensions are 12 m × 8 m × 5 m. On a particular day the tank is filled to 90% of its capacity by a motor pump.
The daily water requirement of the village is estimated at 135 L per person. The village has 180 families, each consisting of 4 persons on average.
Using this information, answer the following questions.
(i) Find the volume of water actually stored in the tank on that day, in litres.
(ii) Calculate the total daily water requirement of the village in litres.
(iii) For how many full days will the stored water be sufficient before the tank needs to be refilled?