GIVEN: The sum and difference of present ages of Pavan and Amit are 116 years and 12 years respectively. CONCEPT: Concept of ages. CALCULATION: Suppose the present ages of Pavan and Amit are ‘X’ and ‘Y’ respectively. So, X+Y=116 And X–Y=12 Solving both equations: ⇒ X = 64 and Y = 52 Hence, Ratio of their ages after 8 years