2014 · Q8
The ratio of ages of A and B is 2 : 5 and the ratio of ages of B and C is 3 : 4. What is the ratio of ages of A, B and C?
Elementary MathematicsRatio and Proportion
- A6 : 15 : 20
- B8 : 5 : 3
- C6 : 5 : 4
- D2 : 15 : 4
Explanation
Make B common: A : B = 6 : 15 and B : C = 15 : 20, so A : B : C = 6 : 15 : 20.