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A cone of height 24 cm and radius of bas...

A cone of height 24 cm and radius of base 6 cm is made up of modelling clay. A child reshapes it in the form of a sphere. Find the radius of the sphere.

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RD SHARMA ENGLISH-SURFACE AREAS AND VOLUMES-All Questions
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  2. Three cubes whose edges measure 3cm, 4cm and 5cm respectively to form ...

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  3. A cone of height 24 cm and radius of base 6 cm is made up of modell...

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  4. The diameter of a metallic sphere is 6cm. The sphere is melted and ...

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  5. A solid sphere of radius 3cm is melted and then cast into small sph...

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  6. If the diameter of cross-section of a wire is decreased by 5% how much...

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  7. In Figure, OABC is a squaer inscribed in a quadrant OPBQ. If OA=20cm, ...

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  8. Draw a triangle ABC with side BC=6CM, AB=5CM and /A B C=60^0 . Then co...

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  10. A hemispherical depression is cut out from one face of a cubical woode...

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  12. Prove that the points A(4,3),B(6,4),C(5,-6)a n d D(-3,5) in that order...

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  13. A train travels at a certain average speed for a distance of 63km and ...

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  14. Cards with numbers 2 to 101 are placed in a box. A card is selected at...

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  15. A sum of Rs. 1400 is to be used to give seven cash prizes to students ...

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  16. Find two consecutive odd positive integers, sum of whose squares is ...

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  17. A golf ball has diameter equal to 4.1 cm. Its surface has 150 dimples ...

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  18. A tent of height 77dm is in the form of a right circular cylinder of ...

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  19. A cylindrical tub if radius 5cm and length 9.8cm is full of water .A s...

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  20. A tent is in the shape of a cylinder surmounted by a conical top. I...

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