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CompetitiveQuantitative AptitudeRatio and ProportionRatio and Proportion
Medium

If an alloy contains copper and silver in the ratio $3:7$,then the percentage quantity of silver in the alloy is

  • A
    $90$
  • B
    $70$
  • C
    $60$
  • D
    None of these
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Competitive Questions

Competitive

Quantitative Aptitude Questions

Chapter

Ratio and Proportion

Subtopic

Ratio and Proportion

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