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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-11

  • question_answer
    The ages of Vikky and Sumi are in the ratio 2 : 3. After 12 yr, their ages will be in the ratio 11 : 15. The age of Sumi is

    A)  56 yr

    B)         32 yr

    C)  42 yr               

    D)  48 yr

    Correct Answer: D

    Solution :

    Let Present ages of Vikky and Sumi are 2 x yr and 3x yr, respectively then Given, \[\frac{(2x+12)}{(3x+12)}=\frac{11}{15}\] \[\Rightarrow \]   \[30x+180=33x+132\] \[\Rightarrow \]   \[(33-30)x=180-132\] \[\therefore \]                \[x=\frac{48}{3}=16\] \[\therefore \] Present age of Sumi\[=3x=3\times 16=48\,\,yr\]


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