X = 3 times the age of YDifference between X and Y, 8 years BACK = 18 yearsCalculation:2X = 3Y⇒ X : Y = 3 : 2Let present age of X and Y be 3R and 2R respectively⇒ 3R – 2R = 18⇒ R = 18⇒ 3R = 3 × 18 = 54∴ The present age of X is 54 years