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SSC Sample Paper SSC CGL - Sample Paper-23

  • question_answer
    If x : y = 8 : 9, then \[5x-4y:3x+2y\] is equal to

    A) 3 : 2                             

    B) 2 : 3

    C) 3 : 4                             

    D) 2 : 21

    Correct Answer: D

    Solution :

    \[x:y=8:9\] \[\therefore \]      \[\frac{5x-4y}{3x+2y}=\frac{5\left( \frac{x}{y} \right)-4}{3\left( \frac{x}{y} \right)+2}=\frac{5\left( \frac{8}{9} \right)-4}{3\left( \frac{8}{9} \right)+2}\]             \[=\frac{40-36}{24+18}=\frac{4}{42}\] \[=2:21\]


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