The ages of A and B are in the ratio 3:1 . Fifteen years hence , the ratio will be 2:1 . Their present ages are :
The ages of A and B are in the ratio 3:1 . Fifteen years hence , the ratio will be 2:1 . Their present ages are : Correct Answer 45 years , 15 years
Let the ages of A and B be 3x and x, respectively. Thenx + 153x + 15 = 12or 3x + 15 = 2x + 30⟹x = 15∴ A's age = 3×15 = 45yearsB's age = 15years