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Railways R.R.C. (Ahmedabad) Solved Paper Held on 1st Shift 2-11-2014

  • question_answer
    In an examination, a student's average marks were 63. If he had obtained 20 more marks in Geography and 2 more marks in History, then his average marks would have been 65. How many papers were there in the examination?

    A) 10                                

    B) 11

    C) 12                                

    D) 9

    Correct Answer: B

    Solution :

    Suppose there were x papers in the examination. Now,     \[63x+20+2=65x\] \[2x=22\] \[x=11\]


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