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If a sphere is made by melting a solid ...

If a sphere is made by melting a solid right circular cylinder of radus 2x cm and height x cm , then the radius of the sphere will be

A

` root 3 (3x) ` cm

B

` root 3 (3x) ` cm

C

x cm

D

2x cm

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • A solid metallic sphere is melted into a solid right circular cylinder whose height is equal to 9/2 times the radius of its base. The ratio of the radius of the sphere to that of the base of the cylinder is

    A
    `3:2`
    B
    `2:3`
    C
    `1:3`
    D
    `3:1`

  • How many coins of diameter 1.5 cm and of thickness 0.2 cm can be made by melting a metal right circular cylinder of diameter 4.5 cm and height 10 cm ?

    A
    430
    B
    440
    C
    450
    D
    460

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