Area Problems
The area of a rectangle is thrice that of square. Length of the rectangle is 40 cm and the breadth of the rectangle is ( 3 / 2 ) times that of the side of the square. The side of the square in cm is?

30
20
15
60

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Area Problems
The radius of a circle is increased so that its circumference increase by 5%. The area of the circle will increase by?

8.75 %
10 %
10.5 %
10.25 %

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