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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-5

  • question_answer
    In the annual examination Mahuya got 10% less marks than Supriyo in Mathematics. Mahuya got 81 marks. The marks of Supriyoare

    A)  89                              

    B)  90                  

    C)         87                  

    D)         88

    Correct Answer: B

    Solution :

    Marks of Supriyo =x marks Acceding to question Mahuyamarks= Supriyo marks-10% of Supriyo marks \[81=x-10%\]  of \[x\Rightarrow x\left( 1-\frac{10}{100} \right)\] \[81=\frac{9}{10}x\Rightarrow \frac{810}{9}=x\] \[\therefore \]  \[x=90\]marks


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