Mathematics · Ratio and Proportion
If A ∶ B = 5 ∶ 6 and B ∶ C = 6 ∶ 7, then (A + B) ∶ (B + C) ∶ (C + A) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 113 ∶ 11 ∶ 12
- 211 ∶ 12 ∶ 13
- 311 ∶ 13 ∶ 12✓
- 412 ∶ 13 ∶ 11
Correct answer
11 ∶ 13 ∶ 12
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