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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-18

  • question_answer
    If 90% of A = 30% of B and \[B=2x%\]of A, then the value of x.

    A)  450                             

    B)  400                             

    C)  220                  

    D)         250

    Correct Answer: D

    Solution :

    \[\frac{A\times 90}{100}=\frac{B\times 30}{100}\] \[\Rightarrow \]   \[3A=B\] \[\Rightarrow \]   \[3A=A\times \frac{2x}{100}\] \[\Rightarrow \]   \[x=150\]


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