Area Problems
The diameter of a circle is 105 cm less than the circumference. What is the diameter of the circle?

46 cm
49 cm
48 cm
44 cm

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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)

10.5 m
5.5 m
7.5 m
3.5 m

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