Use some thinking to answer the following question. The length of a rectangle is increased by 25% and its breadth is decreased by 20%. What is the effect on its area?
Options:
(A) 10000
(B) 28869
(C) 10002
(D) 18089
(E) 10004
100 * 100 = 10000
125 * 80 = 10000 So the final answer is (A).