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A semicircular sheet of paper of diameter 28 cm is bent to cover the exterior surface of an open conical ice-cream cup. The depth of the ice-cream cup is (a) 8.12 cm    (b) 10.12 cm    (c) 12.12 cm   (d) 14.12 cm

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RS AGGARWAL-VOLUME AND SURFACE AREAS-All Questions
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  2. A vertical cone of volume V with vertex downwards is filled with...

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  3. A semicircular sheet of paper of diameter 28 cm is bent to cover th...

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  4. The length of canvas 1.1 m wide required to build a conical tent of...

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  5. If the height of a cone is doubled and its base diameter is trebled...

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  6. If both the radius and height of a right circular cone are increase...

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

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  8. If the height of a cone be doubled and radius of base remains the s...

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  9. If h , c ,V are respectively the height, the curved surface and the...

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  10. If the heights of two cones are in the ratio 7 : 3 and their diamet...

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  11. The radii of two cones are in the ratio 2 : 1, their volumes are eq...

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  12. If the ratio of volumes of two cones is 2 : 3 and the ratio of the ...

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  13. Find the volume of the largest right circular cone that can be cut ...

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  14. A cone of height 7 cm and base radius 3 cm is carved from a rectang...

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  15. A right circular cone and a right circular cylinder have equal base...

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  16. A conical cavity is drilled in a circular cylinder of 15 cm height ...

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  17. The radius of the base and height of a metallic solid cylinder are ...

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  18. A solid metallic right circular cylinder of base diameter 16 cm and...

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  19. A right cylindrical vessel is full of water. How many right cones h...

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  20. A solid metallic cylinder of base radius 3 cm and height 5 cm is me...

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