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CBSE - 2010 Class 10 Maths - Question 29 Solution

Question:

 A milk container is made of metal sheet in the shape of frustum of a cone whose volume is 10459 3/7 cm\(^3\). The radii  of its lower and upper ends are 8cm and 20cm respectively. Find the cost of metal sheet used in making the container at the rate of Rs 1.40 per square centimeter.

  • Posted on 19/02/2018
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