A man is 24 years older than his son. In three years, his age will be twice the age of his son. The present age of the son is
Choose the correct choice from the following answers:
A) 14 years B) 18 years C) 20 years D) 21 years E) None
Solution   Let the son's present age be x years .Then, man's present age	= (x+24)years.   Then	â€¹=â€º(x+24)+3= 2(x+3)   â€¹=â€ºx+27=2x+6   x= 21.   Answer 21 years
<result>D</result>
A man is 24 years older than his son. In three years, his age will be twice the age of his son. The present age of the son is