The length of a rectangle is increased by 10% and breadth decreased by 10% Then the area of the new rectangle is :

A. Neither decreased nor increased

B. Increased by 1%

C. Decreased by 1%

D. Decreased 10%

Answer: Option C

Solution(By Examveda Team)

Decrease in area
$$\eqalign{ & = \frac{{{x^2}}}{{100}}\% \cr & = \frac{{{{\left( {10} \right)}^2}}}{{100}} \cr & = 1\% \cr} $$