Area Problems
A circular road runs rounds a circular ground. If the difference between the circumference of the outer circle and the inner circle is 66 meters, the width of the road is?

7 meters
21 meters
5.25 meters
10.5 meters

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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?

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

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Area Problems
A parallelogram has sides 60 m and 40 m and one of the diagonal is 80 m long. Then its area is?

480 sq. m
320 sq. m
450 ? 15 sq. m
600? 15 sq. m

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