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  5. Ratio and Proportion

SSC Quantitative Aptitude Ratio and Proportion Question Bank Ratio and Proportion (II)

  • question_answer
    Two numbers are respectively 20% and 50% more than a third number. These two numbers are in the ratio

    A) 2 : 5

    B) 4 : 5

    C) 3 : 2

    D) 5 : 2

    Correct Answer: B

    Solution :

    [b] Let the 3rd number be x. Then, 1st number = 120% of x             \[=\left( \frac{120}{100}\times x \right)=\frac{6x}{5}\] 2nd number = 150% of x             \[=\left( \frac{150}{100}\times x \right)=\frac{3x}{2}\] \[\therefore \] Ratio of these numbers             \[=\frac{6x}{5}:\frac{3x}{2}=12:15=4:5\]


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