Volumes Practice Test 3

Question : 27 of 40

Marks: +1, -0

The radii of the bases of two cylinders are in the ratio of 3 : 5 and their height in the ratio of 2 : 3. Find the ratio of their curved suface areas.

2 : 3
2 : 5
3 : 5
5 : 3

Validate

Solution:

Ratio of their curved surface areas =

{2π×3×2}/{2π×5×3}

2/5

= 2 : 5

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