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Banking Quantitative Aptitude Sample Paper Quantitative Aptitude Sample Paper-16

  • question_answer
    Radha's present age is three years less than twice her age 12 yr ago. Also the respective ratio between Raj's present age and Radha’s present age is 4: 9. What will be Raj's age after 5 yr?

    A) 12 yr

    B) 7 yr

    C) 21 yr

    D) Cannot be determined

    E) None of the above

    Correct Answer: E

    Solution :

    Present age of Radha = x yr
    According to the question,
                \[x+3=2\,(x-12)\]          
    \[\Rightarrow \]   \[x+3=2x-24\]
    \[\therefore \]      \[x=27\]
    Present age of Raj: Present age of Radha
    \[\therefore \]      Present age of Raj \[=\frac{27}{9}\times 4=12\]
    After 5 yr, age of Raj \[=12+5=17\,yr\]


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