Class 10 Maths · Surface Areas and Volumes · NCERT Exercise 12.4 · Question 12
A milk container of height 16 cm is made of metal sheet in the form of a frustum of a cone with radii of its lower and upper ends as 8 cm and 20 cm respectively. Find the cost of milk at the rate of Rs. 22 per litre which the container can hold.
Answer
Capacity litres; cost of milk Rs .
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