Area Problems
The length of a rectangle is double while its breadth is halved. What is the percentage change in area?

75
50
No change
None of these

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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
2/5
3/4
4/5

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