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A hemispherical bowls has 3.5cm radiu...

A hemispherical bowls has 3.5cm radius. It is to be painted inside as well as outside. The cost of painting it at the rate of Rs 5 per 10sq. cm will be (a) Rs 77      (b) Rs 100     (c) Rs 175       (d) Rs 50

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RS AGGARWAL-VOLUME AND SURFACE AREAS-All Questions
  1. The radius of a cylinder is 5m more than its height. If the curved ...

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  2. The radius of base and curved surface area of a right cylinder is '...

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  3. A hemispherical bowls has 3.5cm radius. It is to be painted inside ...

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  4. If the volume and curved surfaces area of a cylinder are 616 m3 and...

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  5. The radius of a hemispherical bowls is 6cm. The capacity of the bow...

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  6. Each side of a cube is decreased by 25%. Find the ratio of the volu...

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  7. A hemisphere and a cone have equal bases. If their heights are also...

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  8. The base of a right prism is a trapezium whose lengths of two paral...

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  9. The sum of the radius and the height of a cylinder is 19 m. The tot...

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  10. A solid piece of iron is in the form of a cuboids of dimensions (49...

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  11. A patient in a hospital is given soup daily in a cylindrical bowl o...

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  12. A sphere and a cube have same surface area. The ratio of squares of...

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  13. The radius of a sphere is equal to the radius of the base of a righ...

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  14. A rectangular paper of 44 cm long and 6 cm wide is rolled to form a...

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  15. If three metallic spheres of radii 6 cm, 8 cm and 10 cm are melted ...

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  16. If the height of a right circular cone is increased by 200% and the...

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  17. If the radius of a sphere is increased by 10%, then the volume will...

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  18. When a ball bounces, it rises to 2/3 of the height from which it...

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  19. A swimming pool 9 m wide and 12 m long is 1 m deep on the shallow s...

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  20. A metal cube of edge 12cm is melted and formed into three smaller c...

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