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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-17

  • question_answer
    If \[\frac{a}{2b}=\frac{3}{2},\]then\[\frac{2a+b}{a-2b}\]is equal to

    A)  \[\frac{1}{7}\]             

    B)  7

    C)  14       

    D)  21

    Correct Answer: B

    Solution :

    \[\because \frac{a}{2b}=\frac{3}{2}\Rightarrow \frac{a}{b}=3,\] Expression\[=\frac{2a+b}{a-2b}=\frac{2\times \frac{a}{b}+1}{\frac{a}{b}-2}\] \[=\frac{2\times 3+1}{3-2}=7\]


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