Six years hence,a fathers age will be three times his son's age and three years ago the fathers age is nine times as old as his son. the fathers present age is  Choose the correct answer
A) 24 years	B) 28 years	C) 30 years	D) 40 years	E) 45 years
Let "f" nd "s" be the father's nd son's present age respectively   (f+6) = 3(s+6)   f=3s+18-6   f=3s+12   f-3 = 9(s-3)   f = 9s-27+3   f=9s-24   Equate "f"   9s-24 = 3s+12   6s = 36   s=6   f=3(6)+12   f=30   ANSWER:30 years
<result>C</result>
Six years hence,a fathers age will be three times his son's age and three years ago the fathers age is nine times as old as his son. the fathers present age is