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SSC Sample Paper SSC CGL - Sample Paper-29

  • question_answer
    The fourth proportional to 7, 11, 14 is

    A) 16                                

    B) 18

    C) 20                                

    D) 22

    Correct Answer: D

    Solution :

    Let fourth proportional be x, then \[7:11::14:x\] \[\Rightarrow \] \[\frac{7}{11}=\frac{14}{x}\] \[\Rightarrow \] \[x=2\times 11\] \[\Rightarrow \] \[x=22\]


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