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10th Class Mathematics Pair of Linear Equations in Two Variables Question Bank MCQs - Pair of Linear Equations in Two Variables

  • question_answer
    The age of a daughter is one-third the age of her mother. If the present age of mother is x years, then the age (in years) of the daughter after 15 years is:

    A) \[\frac{x}{3}+15\]

    B) \[\frac{x+15}{3}\]

    C) \[x+5\]

    D) \[\frac{x}{3}-15\]

    Correct Answer: A

    Solution :

    [a] Present age of mother = x years                    
    \[\therefore \] Present age of daughter \[=\frac{x}{3}\]years
    So, age of the daughter after 15 years
    \[=\left( \frac{x}{3}+15 \right)\] years


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