Exams › IBPS PO › Quantitative Aptitude

If the length of a rectangle is increased by 10% and the breadth is decreased by 20%, by what percentage does its area change?

1. 12% decrease
2. 12% increase
3. 8% decrease
4. 8% increase

Correct answer: 8% decrease

Solution

New area factor = 1.10 × 0.80 = 0.88. So the area becomes 88% of the original, which means a 12% decrease. The correct option is therefore 12% decrease.

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