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SSC Sample Paper SSC CGL - Sample Paper-12

  • question_answer
    The fourth proportional to 0.12, 0.21, 8 is

    A) 8.9                               

    B) 56

    C) 14                    

    D) 17

    Correct Answer: C

    Solution :

    Let the fourth proportional be x. Then,  \[\frac{0.12}{0.21}=\frac{8}{x}\] Or         \[x=8\times \frac{0.21}{0.12}or,\] \[x=8\times \frac{21}{12}\] Or         \[x=14\]           


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