CBSE Class 10 Maths (Standard) 2015 · Paper 30/2/1 · Question 31
Milk in a container, which is in the form of a frustum of a cone of height 30 cm and the radii of whose lower and upper circular ends are 20 cm and 40 cm respectively, is to be distributed in a camp for flood victims. If this milk is available at the rate of per litre and 880 litres of milk is needed daily for a camp, find how many such containers of milk are needed for a camp and what cost will it put on the donor agency for this. What value is indicated through this by the donor agency?
Answer
10 containers are needed; the cost to the donor agency is . The value indicated is kindness, generosity, and concern for humanity (helping flood victims).
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