Area Problems
The ratio of the area of two square, one having and double its diagonal than the other is?

4:1
2:1
3:2
3:1

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Area Problems
A person observed that he required 30 s time to cross a circular ground along its diameter than to cover it once along the boundary. If his speed was 30m/min, than the radius of the circular ground is (take ? = 22/7)

5.5 m
10.5 m
3.5 m
7.5 m

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