Mathematics · Ratio and Proportion
यदि x : y = 7 : 2 है, तो (7x + 4y) : (7x - 4y) का मान क्या है?
- 139 : 29
- 254 : 43
- 340 : 31
- 457 : 41✓
सही उत्तर देखें
57 : 41
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