If A : B = 2 : 3 and B : C = 4 : 5, what is A : B : C?
Correct answer: B. 8 : 12 : 15
Make B the same in both ratios: multiply the first by 4 and the second by 3. A : B = 8 : 12 and B : C = 12 : 15, so A : B : C = 8 : 12 : 15.
medium
Answer and explanation
The correct answer is B. 8 : 12 : 15
Make B the same in both ratios: multiply the first by 4 and the second by 3. A : B = 8 : 12 and B : C = 12 : 15, so A : B : C = 8 : 12 : 15.
Topic: Ratio, Ages, Mixtures and Mensuration MCQs · Subject: Quantitative Aptitude