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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-11

  • question_answer
    The HCF of three numbers is 24. if they are in the ratio \[35:55:77\], then the number are?

    A)  \[280,440,615\]            

    B)  \[840,1320,1848\]

    C)  \[105,175,231\]   

    D)       \[900,1400,1900\]

    Correct Answer: B

    Solution :

     Let the number be \[35x,55x,77x\] \[35x=5\times 7\times x\]             \[55x=5\times 11\times x\] \[\therefore \] \[77x=7\times 11x\] HCF of these number \[=x=24\] therefore, the number are \[35\times 24,\,\,\,55\times 24\] and  \[77\times 24\] i.e., \[840,1320,1848\]


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