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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-13

  • question_answer
    If \[A:B:C=2:3:4,\]then \[\frac{A}{B}:\frac{B}{C}:\frac{C}{A}\] is equal to:

    A)  \[4:9:16\]      

    B)         \[8:9:12\]         

    C)         \[8:9:16\]           

    D)         \[8:9:24\]

    Correct Answer: D

    Solution :

    Let \[A=2x,B=3x\]and\[C=4x\].Then, \[\frac{A}{B}=\frac{2x}{3x}=\frac{2}{3},\] \[\frac{B}{C}=\frac{3x}{4x}=\frac{3}{4}\] and \[\frac{C}{A}=\frac{4x}{2x}=\frac{2}{1}\] \[\Rightarrow \]  \[\frac{A}{B}:\frac{B}{C}:\frac{C}{A}=\frac{2}{3}:\frac{3}{4}:\frac{2}{1}=8:9:24.\]


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