A container open at the top is in tthe form of a frustrum of acone of height 16cm with radii of its lower and upper ends are 8cm and 20cm respectively find the cost of milk which can completly fill a container at a rate of rupees 40 per litre
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A container open at the top is in tthe form of a frustrum of acone of height 16cm with radii of its lower and upper ends are 8cm and 20cm respectively find the cost of milk which can completly fill a container at a rate of rupees 40 per litre
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