Arithmetic Ability
Area

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Q.

The percentage increase in the area of a rectangle, if each of its sides is increased by 20%

View Answer

Correct choice: C

Explanation:

Let original length = x metres and original breadth = y metres. Original area = xy sq.m Increased length = 120100 and Increased breadth = 120100 New area = 120100x*120100y=3625xy m2 The difference between the Original area and New area is: 3625xy−xy 1125xy Increase % =(1125xyxy/)*100= 44%
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