Two numbers are in ratio of 7 : 10 and if the sum of the numbers is 119. Find the difference of the numbers.

7 21 17 12

21

Let the numbers are: A and B A = 7R and B = 10R According to question: A + B = 7R + 10R = 119 17R = 119 1R = 7 Now, Difference = 10R - 7R = 3R = 3 × 7 = 21