Posted by tuhituhi on Thursday, January 24, 2013 at 11:42am.
A man's age is 4 times the combined age of a two sons. One of whom is 3 times as old as the other. In 24 years their combined ages will be 12 year less than their father's age . Find their respective age ????

maths  Henry, Saturday, January 26, 2013 at 3:46pm
X Yrs old = Age of one son.
3x yrs old = Age of other son.
4(x+3x) = 16x = Age of the father.
(x+24) + (3x+24) = (16x+24)  12.
4x + 48 = 16x + 12
4x  16x = 12  48
12x = 36
X = 3
x+24 = 3+24 = 27 Yrs=Youngest son's age,
3x+24 = 9+24 = 33 Yrs=Oldest son's age.
16x+24 = 48+24=72 Yrs=The father's age.