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 %
11.25%
12.5%
10.25%

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Area Problems
The length of the diagonal of a rhombus is 80% of the length of the other diagonal, Then the area of the rhombus is how many times the square of the length of the longer diagonal?

2/5
3/4
1/4
4/5

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Area Problems
The cost of papering the four walls of a room is Rs. 48. Each one of length, breadth and height of another room is double that of this room.The cost of papering the walls of the new room is?

Rs. 96
Rs. 298
Rs. 384
Rs. 192

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