Mathematics · Ratio and Proportion
A chemist mixes two compounds, Compound X and Compound Y, in the ratio 2:5. If 40 ml of Compound Y is added, the ratio becomes 2:7. How many milliliters of Compound X were present initially?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 130 ml
- 240 ml✓
- 345 ml
- 416 ml
Correct answer
40 ml
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