Area Problems
A park is in the form of a square one of whose sides is 100 m . The area of the park excluding the circular lawn in the centre of the park is 8614 m 2. The radius of the circular lawn is?

None of these
41 m
21 m
31 m

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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?

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

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Area Problems
Of the square fields the area of the one is 1 hectare, while the another one is broader by 1% the difference is area is?

101 sq. metres
201 sq. metres
100 sq. metres
200 sq. metres

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