The ages of Rahul and Haroon are in the ratio 5:7. Four years later the sum of their ages will be 56 years. What are their present ages?
Answer: Let the current age of Rahul and Haroon be 5x and 7x respectively Four years later their ages become 5x + 4 and 7x + 4 respectively. According to the question, 5x + 4 +7x + 4 = 56 12x + 8 = 56 Transposing 8 to the RHS we get, 12x = 48 Dividing both sides by 12 gives, x = 48/12 x = 4 Thus current age of Rahul = 5 × 4 Current age of Rahul = 20 Thus current age of Haroon = 7 × 4 Current age of Haroon = 28 The present ages of Rahul and Haroon are 20 years and 28 years respectively.
