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

  • question_answer
    Subtracting 40% of a number from the number, we get the result as 30. The number is?

    A) 28                                

    B) 50

    C) 52                                

    D) 70

    Correct Answer: B

    Solution :

    Let the number is x, then? \[x-\frac{40x}{100}=30\] \[\Rightarrow \]   \[60x=3000\]             \[\therefore \]      \[x=\frac{3000}{60}\] \[=50\]


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