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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-12

  • question_answer
    If A is \[70%\] of B. What percent of A is B?

    A)  \[142.8\]                      

    B)  \[190.9\]

    C)  \[148.1\]                 

    D)       \[181.1\]

    Correct Answer: A

    Solution :

     A \[=\frac{70}{100}\] B \[\Leftrightarrow \] A \[=\frac{7}{10}\] B \[\Leftrightarrow \] B \[=\frac{10}{7}\] A\[\Rightarrow \] \[\frac{A}{B}=\frac{10}{7}\]  \[\therefore \] required percentage \[=\left( \frac{A}{B}\times 100 \right)=\left( \frac{10}{7}\times 100 \right)%=142.8\]


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