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A cylindrical pillar is 50 cm in diamete...

A cylindrical pillar is 50 cm in diameter and 3.5 m high. Find the cost of white washing its curved surface at the rate of Rs 40 per `m^2`.

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A cylinderical pillar is 50 cm in diameter and 3.5 m in height. Find the cost of white washing the curved surface of the pillar at the rate of Rs 12.50 per m^2 .

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.

The slant height and base diameter of a conical tomb are 25 m and 14 m, respectively. Find the cost of whitewashing its curved surface at the rate of Rs 210 per 100 m^2 .

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MBD-Surface Areas and Volumes-Exercise
  1. The diameter of a roller 1.5 m long is 84 cm. If it takes 100 revoluti...

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  2. The outer diameter of a drainage pipe is 1 m and it is 21 m long. Find...

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  3. A cylindrical pillar is 50 cm in diameter and 3.5 m high. Find the cos...

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  4. A cylindrical vessel open at the top has a dimeter 20 cm and height 14...

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  5. Diameter of the base of a cone is 10.5 cm and its slant height is 10 c...

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  6. Find the total surface area of a cone, if its slant height is 21 m and...

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  7. Curved surface area of a cone is 308 cm^2 , and its slant height is 14...

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  8. Curved surface area of a cone is 308 cm^2 , and its slant height is 14...

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  9. A conical tent is 10 m high and the radius of its base is 24 m. Find s...

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  10. A conical tent is 10 m high and the radius of its base is 24 m. Find c...

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  11. What length of tarpaulin 3 m wide will be required to make conical ten...

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

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

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  14. A bus stop is barricaded from the remaining part of the road, by using...

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  15. For a right circular cone, slant height = 10 cm, radius of base = 5 cm...

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  16. The radius of the base of a right circular cone is 12 m. If the slant ...

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  17. The height of a cone is 16 m and the radius of its base is 12 m. What ...

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  18. Find the total surface area of a cone, if its slant height is 9 m and ...

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  19. The height of a cone is 16 cm and its base radius is 12 cm. Find the c...

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  20. A corn cob (see Fig. 13.17), shaped somewhat like a cone, has the radi...

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