Subject

    Quantitative Aptitude

    Topic

    Percentage

    Abhinav scores 80% in physics and 66% in chemistry and the maximum marks of both the papers are 100. what percent does he score in maths which is of 200 marks, if he scores 80% marks in all the three subjects:

    ক)
    74%
    খ)
    84%
    গ)
    87%
    ঘ)
    83%

    Explanation

    80100  +  66100  +  x200  =  320400\frac{80}{100}\;+\;\frac{66}{100}\;+\;\frac x{200}\;=\;\frac{320}{400} =>x = 174 =>    87%

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