If the width of a rectangle is increased 25% while the length remains constant, the resulting area is what percent of the original area?

A 25%

B 75%

C 125%

D 225%

Correct Answer: Option C

suppose, length=x width=y if width increased 25% so, width is = y+.25y=1.25y new area= 1.25xy so , percentage, =1.25xy/xy X 100%=125% if