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If the total surface area of a right cir...

If the total surface area of a right circular cone of radius 3cm be `24 pi ` sq-cm, then its volume will be .

A

`25 pi c c `

B

`30 pi c c`

C

`32 pi c c`

D

`36 pi c c`

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The correct Answer is:
D
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CALCUTTA BOOK HOUSE-RIGHT CIRCULAR CONE -Exercise 1
  1. The ratio of the diameters of the bases of two right circular cones is...

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  2. If the height of a right circular cone be 4.8 cm and its diameter of b...

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  3. If the circumference of the base of a right circular cone be (264)/(7)...

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  4. The radius of base and height of a right cone are equal . Keeping radi...

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  5. If the total surface area of a right circular cone of radius 3cm be 24...

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  6. The curved surface area of a right circular cone of height h unit and...

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  7. If the whole surface area of a right circular cone be A1 sq- unit andi...

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  8. If the radius of base and height of a right circular cone be increased...

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  9. The slant height of a right circular cone of radius of base 4 unit and...

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  10. The curved surface area of a right circular cone of height 3 times of ...

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  11. The length of slant height of a right circular cone is always greater ...

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  12. Between the 2 surfaces of a closed right circular cone, the one is pla...

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  13. The base of a right circular cone may not be circular.

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  14. if the height and the radius of base of a right circular cone be equal...

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  15. The volume of a right circular cone of radius of base r unit and of he...

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  16. If the vertical angle of a right circular cone be alpha and its radius...

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  17. If a right- angled triangle is rotated at an angle of with its hypote...

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  18. The line segment joining the vertex of a right circular cone and the c...

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  19. The curved surface area of a right circular cone = xx slant height .

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  20. The whole surface area of a right circular cone = half of the circumfe...

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