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

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

  • question_answer
    In measuring the sides of a rectangle errors of 5% and 3% in excess are made. The error percent in the calculated area is

    A)  7.15%

    B)         6.25%

    C)  8.15% 

    D)  8.35%

    Correct Answer: C

    Solution :

    [c] % error \[=\left( 5+3+\frac{5\times 3}{100} \right)\] = 8 + .15 = 8.15%


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