Area Problems
The radius of a circle is so increased that its circumference increased by 5%. The area of the circle, then increases by

10.5 %
12.5%
11.25%
10.25%

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Area Problems
Area of a square and a rectangle are equal. If side of the square is 40 cm and length of the rectangle is 64 cm, what is the perimeter of the rectangle ?

194 cm
149 cm
178 cm
187 cm

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Area Problems
A man riding a bicycle, completes one lap of a circular field along its circumference at the speed of 14.4 km/h in 1 min 28 s. What is the area of the field?

7958 sq m
8842 sq m
9856 sq m
Cannot be determined

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