A container opened from the top is in the form of a frustum of a cone of
height 16 cm with radii of its lower and upper ends are 8 cm and 20 cm
respectively. Find the cost of the milk which can completely fill the
container at the rate of Rs. 20 per litre. [Take a = 3.14 ]
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A container open at the top is in the form of a frustum of a cone of height 16 cm with radii of its lower and upper ends are 8 cm and 20 cm respectively. ...
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