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Thread: What are the four numbers ?

  1. #1
    Contributing Member
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    Sep 2006
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    962

    What are the four numbers ?

    Four numbers are there....
    If you add these four numbers, you will get a result 7.11
    If you multiply these four number, you will also get the same result 7.11

    What are the four numbers ?

    ----------------
    suresh


  2. #2
    Expert Member
    Join Date
    Jan 2007
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    249

    Re: What are the four numbers ?

    The numbers are 1.5, 1.25, 1.2 and 3.16


  3. #3
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    Dec 2006
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    204

    Re: What are the four numbers ?

    ya.. thats a good try.
    how did you find that out?


  4. #4
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    Jan 2007
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    249

    Re: What are the four numbers ?

    I got the answer by trial and error method,

    A+B+C+D=7.11
    A*B*C*D=7.11

    Multiply both sides of the equations by 100

    Assume,
    a=100*A
    b=100*B
    c=100*C
    d=100*D

    You will get
    a+b+c+d=711
    a*b*c*d=711000000

    I proceeded these steps and i got stuck, so i went for trial and error method... I'm trying to get the correct solution... If anyone know jus tell me...


  5. #5
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    Jan 2007
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    Re: What are the four numbers ?

    Hey Suresh can u give me the correct solution other than trial and error method...


  6. #6
    Contributing Member
    Join Date
    Sep 2006
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    962

    Re: What are the four numbers ?

    Sorry manoj....... I didn't know the way of solution...

    I got this puzzle in somewhere place.i like this puzzle.that's why i posted here.

    ------------------------
    suresh


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