2. Questions Bank
  3. 8th Class
  4. Mathematics
  5. Linear Equations in One Variable

8th Class Mathematics Linear Equations in One Variable Question Bank Linear Equations in one Variable

  • question_answer
    Five years hence, a man's age will be three times his son's age and five years ago, he was seven times as old as his son. Find their present ages.

    A)  36, 9                           

    B)  40, 10

    C)  48, 12                         

    D)  60, 15

    Correct Answer: B

    Solution :

    (b): \[\left( x+5 \right)=3\left( y+5 \right)\] and\[\left( x-5 \right)=7\left( y-5 \right)\] \[\Rightarrow x=40,\,\,y=10\]         


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