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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?

A9

B18

C27

D36

Answer:

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 = 36


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