The length and breadth of a rectangle are changed by +30% and −20%…
2021
The length and breadth of a rectangle are changed by +30% and −20% respectively. What is the percentage change in the area of the rectangle?
Answer: D. +4%
- A.
−6%
- B.
+6%
- C.
−4%
- D.
+4%
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Correct answer: D
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