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8th Class Mathematics Algebraic Expressions Question Bank Algebra

  • question_answer
    A man is 5 years older than his wife and the wife is now thrice as old as their daughter, who is 10 years old. How old was the man when his daughter was born?

    A) 20 years                      

    B) 23 years

    C) 25 years       

    D) 30 years

    Correct Answer: C

    Solution :

    Let the age of daughter be x yrs. Age of wife = 3x Age of the man \[5\frac{5}{11}m\] Given that x = 10             \[\frac{60}{11}cm\]Age          of man \[\frac{1}{7}th\] years. \[3{{x}^{\frac{1}{2}}}-4x+3\] Age of the man when his daughter was born \[4{{x}^{2}}-3\sqrt{x}+5\] years.              


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