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Multiple Choice Questions

Sum of volume of cylinder S and volume off cone C is 2190 pi cm2 amp height of both cylinder and con...........

Quantitative Aptitude (SBI-PO) Mensuration 3D

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Sum of volume of cylinder (S) and volume off cone (C) is 2190π cm²& height of both cylinder and cone is same i.e, 10 cm. if radius of cone is 15 cm find the ratio of radius of S to radius of C?

4:5

3:7

3:5

7:5

1:5

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Explanation:

Let r , h be the dimensions of cylinder And R ,

H be the dimensions of the cone ATQ h=H=10

$\pi r ^{2} +\frac{1}{3} \pi R^{2} h=2190 \pi$

r =12 R=15

So r:R=4:5

By: Munesh Kumari

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