Area Problems
A wheel make 4000 revolution in moving a distance of 44 km. Find the radius of the wheel.

28 m
25 m
27 m
1.75 m

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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)

3.5 m
7.5 m
10.5 m
5.5 m

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Area Problems
The length of a rectangle is twice its breadth. If its length is decreased by 5 cm and breadth is increased by 5 cm, the area of the rectangle is increased by 75 sq.cm. Find the length of the rectangle?

30cm
20cm
10cm
40cm

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