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The curved surface area of a cylinder is...

The curved surface area of a cylinder is reduced by ____________ per cent if the height is half of the original height.

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NCERT EXEMPLAR-MENSURATION-EXERCISES
  1. If a cube fits exactly in a cylinder with height h, then the volume of...

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  2. The volume of a cylinder becomes the original volume if its radius be...

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  3. The curved surface area of a cylinder is reduced by per cent if the h...

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  4. The volume of a cylinder which exactly fits in a cube of side a is .

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  5. The surface area of a cylinder which exactly fits in a cube of side b ...

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  6. If the diagonal d of a quadrilateral is doubled and the heights h1 and...

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  7. The perimeter of a rectangle becomes times its original perimeter, if...

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  8. A trapezium with 3 equal sides and one side double the equal side can ...

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  9. All six faces of a cuboid are in shape and of area.

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  10. Opposite faces of a cuboid are in area.

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  11. Curved surface area of a cylinder of radius h and height r is .

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  12. Total surface area of a cylinder of radius h and height r is

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  13. Volume of a cylinder with radius h and height r is .

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  14. Area of a rhombus =1/2 product of .

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  15. Two cylinders A and B are formed by folding a rectangular sheet of dim...

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  16. Two cylinders A and B are formed by folding a rectangular sheet of dim...

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  17. of a solid is the measurement of the space occupied by it.

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  18. surface area of room = area of 4 walls.

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  19. Two cylinders of equal volume have heights in the ratio 1:9. The ratio...

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  20. Two cylinders of same volume have their radii in the ratio 1:6, then r...

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