man is 15 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is: Choices
A) 13years
B) 26 years
C) 17 years
D) 18 years
E) 22 years
Let the son's present age be x years. Then, man's present age = (x + 20) years.   (x + 15) + 2 = 2(x + 2)   x + 17 = 2x + 4   x = 13.   answer :13years
<result>A</result>
man is 15 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is: