CBSE Class 10 Maths (Standard) 2017 · Paper 30/2 · Question 24
In a rain-water harvesting system, the rain-water from a roof of drains into a cylindrical tank having diameter of base m and height m. If the tank is full, find the rainfall in cm. Write your views on water conservation.
Answer
The rainfall is cm. Rain-water harvesting conserves a precious resource by storing run-off, recharging groundwater and reducing wastage.
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