Mathematics · Ratio and Proportion
यदि 3A = 7B = 21C है, तो A : B : C का मान क्या है?
- 15 : 3 : 2
- 23 : 2 : 1
- 37 : 3 : 1✓
- 47 : 2 : 5
सही उत्तर देखें
7 : 3 : 1
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