Volumes Practice Test 2

Question : 31 of 40

Marks: +1, -0

The volumes of two right circular cylinders are equal and the ratio between their heights is 1 : 3 respectively. What will be the ratio between their radii of bases?

1 : $√3$
$√3$ : 1
1 : 3
3 : 1

Validate

Solution:

Here,

πr_1^2.x

πr_2^2 . 3x

⇒

r_1^2/r_2^2

3/1

∴

r_1/r_2

√3/1

Hence, required ratio =

√3 : 1

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