Entry Test MCQ :: Ratio Rates and Proportion

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If radius of circle-I is 1/3 times the radius of circle-II. What is the ratio of area of circle I to the area of circle II. What is the ratio of area of circle I to the area of circleII.

[A].	9?1	[B].	1?3
[C].	3?1	[D].	1?9

Answer: Option D

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