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CBSE Class 9 Answered

A village has a tank measuring 15 m × 10 m × 5 m. For how many days will the water will last if there is a population of 2500 and each person requires 100 litres of water per day?
Asked by Topperlearning User | 23 Aug, 2017, 03:06: PM
answered-by-expert Expert Answer

Dimensions of the tank are

Length (l) = 15 m, breadth (b) = 10 m and height(h) = 5 m

Volume of tank (V) == 750 m3 = 750000 litres.

Volume of water required by 2500 people in one day (V1) = 2500 × 100 = 250000 litres

Let the water lasts for ‘N’ days.

Then, N × V1= V

N = 75000 over 25000 equals 3

Thus water will last for 3 days.

Answered by | 23 Aug, 2017, 05:06: PM

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