The ratio of two numbers is 4 : 5. If both the numbers are increased by 4, the ratio becomes 5 : 6. What is the sum of two numbers?A9B18C27D36Answer: D. 36 Read Explanation: numbers = 4x and 5x (4x + 4)/(5x + 4) = 5/6 24x + 24 = 25x + 20 x = 4 Sum of numbers = 4x + 5x = 9x = 36Read more in App