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

  • question_answer
    The present ages of two persons are 36 and 50 years respectively, if after n years the ratio of their ages will be \[3:4,\] then the value of n is

    A)  3                                

    B)  4                    

    C)         7                      

    D)         6                                

    Correct Answer: D

    Solution :

    According to question \[\frac{36+n}{50+n}=\frac{3}{4}\] \[36\times 4+4n=50\times 3+3n\] \[4n-3n=150-144\] \[n=6\]


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