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SSC Sample Paper SSC CGL - Sample Paper-21

  • question_answer
    If \[a:b:c=2:3:4,\] then \[\frac{1}{a}:\frac{1}{b}:\frac{1}{c}\] is equal to

    A) \[4:3:2\]                        

    B) \[\frac{1}{2}:\frac{1}{3}:\frac{1}{4}\]

    C) \[\frac{1}{4}:\frac{1}{3}:\frac{1}{2}\]               

    D) \[3:4:6\]

    Correct Answer: B

    Solution :

    \[a:b:c=2:3:4\] Let \[a=2x,\] \[b=3x\] and \[c=4x\] \[\therefore \] \[\frac{1}{a}:\frac{1}{b}:\frac{1}{c}=\frac{1}{2x}:\frac{1}{3x}:\frac{1}{4x}=\frac{1}{2}:\frac{1}{3}:\frac{1}{4}\]


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