1.

The height of a right circular cone is 24 cm and the radius of its base is 7 cm. What is the cost of painting the curved surface area of the cone at the rate of Rs. 6 per cm2? \(\left( {Take\;\pi = \frac{{22}}{7}} \right)\)

A. Rs. 3300
B. Rs. 3600
C. Rs. 880
D. Rs. 4200
Answer» B. Rs. 3600


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