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SSC Sample Paper SSC CGL - Sample Paper-11

  • question_answer
    If \[a:b=7:9\] and \[6:c=15:7,\] then what is a: c?

    A) 5 : 3                 

    B) 3: 5

    C) 7: 21                

    D) 7: 15

    Correct Answer: A

    Solution :

    \[a:c=(a:b)\times (b:c)\] \[=\frac{7}{9}\times \frac{15}{7}=\frac{15}{9}=5:3\]   


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