Mathematics · Ratio and Proportion
यदि A ∶ B = 5 ∶ 7 और B ∶ C = 9 ∶ 11 है, तो A ∶ C किसके बराबर है?
- 139 ∶ 77
- 245 ∶ 66
- 345 ∶ 77✓
- 49 ∶ 11
सही उत्तर देखें
45 ∶ 77
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