2. Sample Papers
  3. Railways
  4. Quantitative Aptitude
  5. Percentage

Railways Quantitative Aptitude Percentage Sample Paper Percentage Sample Test Paper-8

  • question_answer
    On a test containing 150 questions carrying 1 mark each, Mohan answered 80% of first 75 questions correctly. What percent of the other 75 questions does he need to answer correctly to score 60% in the examination?

    A)  50%                

    B)  60%

    C)  20%                

    D)  40%

    Correct Answer: D

    Solution :

    [d] Total marks to score \[=\frac{150\times 60}{100}=90\] Marks obtained in first 75 questions \[=\frac{75\times 1\times 80}{100}=60\] \[\therefore \] Marks to be obtained in next 75 questions = 90 ? 60 = 30 \[\therefore \] % of questions to be answered correctly \[=\left( \frac{30\times 1\times 100}{75} \right)%=40%\]


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