Area Problems
The length of a rectangle is twice its breadth. If its length is decreased half of the 10 cm and the breadth is increased by half of the 10 cm cm, the area of the rectangle is increased by 5 sq cm, more than 70 sq cm. Find the length of the rectangle.

40 cm
45 cm
30 cm
21 cm

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Area Problems
The Different between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is

2520 m2
2480 m2
None of these
2420 m2

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