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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-4

  • question_answer
    The ratio between the present ages of Tarun and Varun is 3:7 respectively. After 4 years Varun's age will be 39 years. What was Tarun's age 4 years ago?

    A)  12 years         

    B) 13 years

    C)  19 years          

    D)       None of these

    Correct Answer: D

    Solution :

     Tarun's present age \[=3x\] years       Varun's present age      \[=7x\] years      \[\therefore \] \[7x+4=39\]    \[\Rightarrow \] \[7x=39-4=35\]     \[\therefore \] \[x=\frac{35}{7}=5\]     \[\therefore \] Tarun's age 4 years ago \[=3x-4\]     \[=3\,\,\,\,5\,\,\,\,4=11\] years


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