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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-12

  • question_answer
    The present ratio of ages of brother & sister is \[3:1.\]After 6 years this ratio will be change into \[2:3\]. Find the present age of brother & sister.

    A)  9 yrs, 3 yrs                   

    B)  6 yrs, 2 yrs

    C)  8 yrs, 3 yrs                   

    D)  12 yrs, 4 yrs

    Correct Answer: B

    Solution :

     Let the present age of brother is \[x\] & sister is \[y\] \[\frac{x}{y}=\frac{3}{1}\]????????.. (i) \[x\] Solving eq. (i) & (ii)  \[\frac{x+6}{y+6}=\frac{3}{2}\].............. (ii) We get \[x=6\] years, \[y=2\] years


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