If the length and width of a rectangular garden plot were each increased by 20 percent, what would be the percent increase in the area of the plot?
সমাধান
সঠিক উত্তর: Option A
Length = x
Width = y
A = xy
After increase, Length = 1.2x
Width = 1.2y
Area = 1.44xy
So Increase =44%
