The length of rectangle is increased by 20% and the width is decreased by 20% . What is the percentage increase or decrease of the area of the rectangle .

A decreased by 20%
B increased by 4%
C decreased by 2%
D remains same

Correct Answer: decreased by 20%

We can let L = the original length and W = the original width  Thus, the original area of the rectangular is LW and the new area is 1.2L× 0.8W = 0.96LW So, the area is decreased by 4% 
Bissoy MCQ
#গণিত #শতকরা (Percentage) #Pubali Bank Ltd #Pubali Bank Ltd - Junior Officer - 2005

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