If the length of a rectangle is increased by 20% and width is decreased by 20% what is the change in area of the rectangle?

1. If the length of a rectangle is increased by 20% and width is decreased by 20% what is the change in area of the rectangle?

[Office (Cash) 2017 [MCQ] : 2017]

1. Unchanged

2. decreases by 4%

3. increases by 4%

4. increases by 5%

Answer

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