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A cylindrical pillar is 50 cm in diamete...

A cylindrical pillar is 50 cm in diameter and 3.5 m in height. Find the cost of painting the curved surface of the pillar at the rate of ₹ 12.50 per `m^2` .Assume `pi = 22/7` , unless stated otherwise.

A

Rs 68.75

B

Rs 5 8.75

C

Rs 48.75

D

Rs 38.75

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MBD-Surface Areas and Volumes-Exercise
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  3. A cylindrical pillar is 50 cm in diameter and 3.5 m in height. Find th...

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  8. Curved surface area of a cone of base radius 12 cm and height 16 cm is...

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  9. The curved surface area of a cone of slant height 10 cm and base diame...

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  10. The slant height of a cone is 26 m and base diameter is 20 m. Its heig...

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  11. The curved surface area of a cone is 308 cm^2 and its slant height is ...

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  12. A conical tent is 10 m high and the radius of its base is 24 m. The sl...

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  13. The slant height and base diameter of a conical tomb are 25 m and 14 m...

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  14. A Joker’s cap is in the form of a right circular cone of base radius 7...

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  15. The curved surface area of a hemisphere of radius r is :

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  16. Total surface area of a hemisphere of radius r is :

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  17. The curved surface area of a sphere of radius 7 cm is :

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  18. The curved surface area of a hemisphere of radius 21 cm is :

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  19. The curved surface area of a sphere of radius 14 cm is :

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  20. Curved surface area of sphere of diameter 14 cm is :

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