Mathematics · Ratio and Proportion
If A ∶ B = 3 ∶ 4 and B ∶ C = 6 ∶ 5, then A ∶ B ∶ C is:
- 19 ∶ 12 ∶ 10✓
- 29 ∶ 10 ∶ 12
- 39 ∶ 10 ∶ 20
- 49 ∶ 12 ∶ 20
Correct answer
9 ∶ 12 ∶ 10
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