Mathematics · Ratio and Proportion
If a, b, c, and d are in continued proportion, then (ma3 + nb3 - rc3) : (mb3 + nc3 - rd3) is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1b : c
- 2c : b
- 3d : a
- 4a : d✓
Correct answer
a : d
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