Mathematics · Ratio and Proportion
If (10a3 + 4b3) : (11a3 − 15b3) = 7 : 5, then find the value of (2a + 15b) : (9a − 5b).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 113 : 7
- 211 : 6✓
- 36 : 11
- 47 : 13
Correct answer
11 : 6
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