GRE Question of the Day (February 11)

 

Family X's gross income is the sum of Mr. X's income and Mrs. X's income. In 1983 Mr. and Mrs. X each had an income of $25,000. If Mr. X's income increased by 10 percent from 1983 to 1984, by what percent did Mrs. X's income decrease for the same period?

(A) 10%
(B) 15%
(C) 20%
(D) 25%
(E) 30%