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6th Class Mathematics Algebra Question Bank Algebra

  • question_answer
    After 12 years I shall be 3 times as old as I was 4 years ago. Find my present age.

    A)  12 years         

    B)  13 years       

    C)  14 years                     

    D)  18 years

    Correct Answer: A

    Solution :

    Let my present age be \[x\]years My age after 12 years\[=\text{ }x+12\] My age before 4 years ago \[=x-4\] A/Q, \[x+12=3(x-4)\] \[\Rightarrow \]\[x+12=3x-12\] \[\Rightarrow \]\[24=2x\] \[\therefore \]\[x=12\] \[\therefore \] My present age =12 years


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