Mathematics · Ratio and Proportion
If 12m = 18n = 21p, then the ratio m : n : p is equal to:
- 120 : 18 : 17
- 220 : 13 : 18
- 321 : 14 : 12✓
- 421 : 18 : 14
Correct answer
21 : 14 : 12
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