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Railways Quantitative Aptitude Average Sample Paper Average & Problems on Ages Sample Test Paper-7

  • question_answer
    The average age of a lady and her daughter is 28.5. The ratio of their ages is 14 : 5 respectively. What is the daughter?s age?

    A)  12 years          

    B)         15 years

    C)  18 years          

    D)         Cannot be determined

    Correct Answer: B

    Solution :

    [b] Average age = 28.5 \[\therefore \] Total age \[28.5\times 2=57\] \[\therefore \] Daughter?s age \[=\frac{5}{19}\times 57=15\,\,years\]


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