Question

The ratio of two numbers is 3 : 5. If both numbers are increased by 8, the ratio becomes 13 : 19. What is the sum of the two numbers?

• A. 32
• B. 48
• C. 40
• D. 72

Answer 1

Answer:

B. 48

(3x + 8)/(5x + 8) = 13/19 57x + 152 = 65x + 104 8x = 48 x = 6 Sum of two numbers = 3 ⨯ 6 + 5 ⨯ 6 = 18 + 30 = 48