39.
The bottom of a right cylindrical shaped vessel made from metallic shee
is closed by a cone shaped vessel as shown in the figure. The radius a
the circular base of the cylinder and radius of the circular base of the cond
are each is equal to 7 cm. If the height of the cylinder is 20 cm and height
of cone is 3 cm, calculate the cost of milk to fill completely this vessel at
the rate of Rs. 20 per litre.
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Therefore, the total cost is Rs. 58.52
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Anonymous:
Where did you got this question ? which paper and year ?
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