a village, having a population of 4000, requires 150 litre water per head per day. it has a tank which is 20metre long, 15 metre broad and 6metre deep. for how many days will the water of this tank last
Answers
Requirement of water in a day = 4000*150 = 6,00,000 litres
Dimensions of tank = 20*15*6
Now,
volume of tank = 20*15*6
= 1800 m³
we know that,
1 m³ = 1000 litres
so, 1800 m³ = 18,00,000 litres
tank has water for days = Capacity of tank / consumption of water in a day
= 18,00,000 / 6,00,000
= 3 days
Answer: 3 days
Step by step explanation:
Given,
Quantity of water in tank = (20 ×15×6) = 1800m³
Population of village = 4000
Water required = 150/per head per day
Quantity of water required by the village per day:
= ( 4000 × 150) liters
= 4000×150 ÷ 1000 m³
= 600 m³
No. of days which the water will last
= 1800÷600
= 3 days
Explanation:
This question can be solved by 2 methods, I have solved this question in very simple way. In this question, There was the Given population and water requires per day.
And, There were a tank, which was wearing of 20 meters, 15 meters and 6 meters. We First find, Quantity of water in tank = (20 ×15×6) = 1800m³.
Then, We find Quantity of water required by the village per day.
= ( 4000 × 150) liters
= 4000×150 ÷ 1000 m³
= 600 m³.
And, Finally we divide it with 600 with 1800. And, we get 3 days.