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Q: The sum and difference of two numbers is 27 and 3 respectively. What is the ratio of two numbers?
  • A. 5 : 3
  • B. 2 : 1
  • C. 4 : 7
  • D. 5 : 4
Correct Answer: Option D - Let the numbers are x and y respectively. As per question, x + y = 27 ––––––(i) x – y = 3 –––––––(ii) By solving the equations (i) and (ii) x = 15, y = 12 Ratio of numbers x : y = 15 : 12 = 5 : 4
D. Let the numbers are x and y respectively. As per question, x + y = 27 ––––––(i) x – y = 3 –––––––(ii) By solving the equations (i) and (ii) x = 15, y = 12 Ratio of numbers x : y = 15 : 12 = 5 : 4

Explanations:

Let the numbers are x and y respectively. As per question, x + y = 27 ––––––(i) x – y = 3 –––––––(ii) By solving the equations (i) and (ii) x = 15, y = 12 Ratio of numbers x : y = 15 : 12 = 5 : 4