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If h,s V be the height , curved surface ...

If h,s V be the height , curved surface area and volume of a cone respectively , then ` ( 3pi Vh^(3) + 9V^(2) -s^(2) h^(2))` is equal to :

A

0

B

`pi`

C

V/(sh)

D

(36)/V

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • If surface area and volume of a sphere are S and V respectively, then value of (S^(3))/(V^(2)) is

    A
    `36 pi` units
    B
    `9 pi` units
    C
    `18 pi` units
    D
    `27 pi` units

  • Let h, s and v be height, curved surface area and volume, respectively, of a cone. If 3pivh^(3)-s^(2)h^(2)+kv^(2)=0 , then value of k is

    A
    3
    B
    6
    C
    9
    D
    12

  • If h, c, v are respectively the height curved surface area and volume of a right circular cone, then the value of 3pi v h^(3) - c^(2)h^(2) + 9v^(2) is

    A
    a)2
    B
    b)`-1`
    C
    c)1
    D
    d)0

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