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Railways R.R.C. (Kolkata) Solved Paper Held on 17-11-2013

  • question_answer
    If 16% of 40% of a number is 8, the number is ?

    A) 200                              

    B) 225

    C) 125                              

    D) 320

    Correct Answer: C

    Solution :

    Let the number is x, then? \[x\times \frac{16}{100}\times \frac{40}{100}=8\] \[\Rightarrow \]   \[x=\frac{8\times 100\times 100}{16\times 40}\] \[=\frac{10000}{80}\] \[=125\]


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