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SSC Sample Paper Mock Test-6 SSC CGL Tear-II Paper-1

  • question_answer
    If a : b : c = 3 : 4 : 7, then the ratio\[(a+b+c):c\]is equal to

    A)  2 : 1    

    B)                     14 : 3   

    C)  7 : 2                            

    D)  1 : 2

    Correct Answer: A

    Solution :

    \[\frac{a}{3}=\frac{b}{4}=\frac{c}{7}=k\] \[\Rightarrow \]   \[a=3k,\] \[b=4k\] and \[c=7k\] \[\Rightarrow \]   \[\frac{a+b+c}{c}=\frac{3k+4k+7k}{7k}=\frac{14k}{7k}=2:1\]


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