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  1. #1
    Join Date
    Sep 2002
    Location
    Paignton. Devon. U.K.
    Posts
    6,062

    Default Who can find an answer different than 7.

    Not girls, cats in sacks or buses this time.


    Think of a number..............

    Add Ten..................

    Double the result.............

    Subtract 6................

    Divide by 2....................

    Take away the first number you thought of.........


    Mo hijacking
    woody U.K.

    "Common looking people are the best in the world: that is the reason the Lord makes so many of them." ~ Abraham Lincoln

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  3. #2
    Join Date
    Sep 2002
    Location
    Minbun, FNQ, Australia
    Age
    66
    Posts
    12,881

    Default

    Quote Originally Posted by jow104 View Post
    ..... Mo hijacking
    My Mo is still right under my nose.
    Cliff.
    If you find a post of mine that is missing a pic that you'd like to see, let me know & I'll see if I can find a copy.

  4. #3
    Join Date
    Nov 2007
    Location
    Orstralia
    Posts
    456

  5. #4
    Join Date
    Jul 2003
    Location
    On the Downs, Darling SEQld
    Posts
    1,167

    Thumbs down Humph!!!

    Think of a number..............
    x

    Add Ten..................
    x + 10

    Double the result.............
    [x + 10] x 2

    Subtract 6................
    ([x + 10] x 2) - 6

    Divide by 2....................
    [([x + 10] x 2) - 6]/2

    Take away the first number you thought of.........
    ([([ x + 10 ] x 2) - 6]/2) - X
    .
    .
    .
    =([([ x + 10 ] x 2) - 6]/2) - X

    =([2x + 20 - 6]/2) - X

    =([x + 10] - 3) - x

    =x +7 -x

    =7

    Waste of time
    Navvi

  6. #5
    Join Date
    May 2005
    Location
    Newcastle
    Age
    72
    Posts
    3,363

    Default

    same thing if you take out the double and divide by 2 just halve the number you subtract

    Think of a number
    add 10
    Subtract 3
    take away origional number
    Answer 7
    Ashore




    The trouble with life is there's no background music.

  7. #6
    Join Date
    Sep 2002
    Location
    Paignton. Devon. U.K.
    Posts
    6,062

    Default

    Ashore, I can see your logic.

    But what about the subtract 6 bit?

    (I understand the algerbra bit of Ivan)
    woody U.K.

    "Common looking people are the best in the world: that is the reason the Lord makes so many of them." ~ Abraham Lincoln

  8. #7
    Join Date
    Jul 2005
    Location
    Oberon, NSW
    Age
    63
    Posts
    13,360

    Default

    I keep coming up with 111.

    Oh... hang on... my calculator is in binary mode...
    I may be weird, but I'm saving up to become eccentric.

    - Andy Mc

  9. #8
    Join Date
    May 2005
    Location
    Newcastle
    Age
    72
    Posts
    3,363

    Default

    Because you don't double you only subtract half of 6 being 3
    Ashore




    The trouble with life is there's no background music.

  10. #9
    Join Date
    Sep 2002
    Location
    Paignton. Devon. U.K.
    Posts
    6,062

    Default

    Right Ashore, I am not going to play poker with you.
    woody U.K.

    "Common looking people are the best in the world: that is the reason the Lord makes so many of them." ~ Abraham Lincoln

  11. #10
    Join Date
    Nov 2003
    Location
    Sydney
    Age
    53
    Posts
    8,879

    Default

    Think of a number
    Subtract the same number
    Add 7

    Do you get 7?

    Love your work Ivan
    Visit my website at www.myFineWoodWork.com

  12. #11
    Join Date
    Sep 2007
    Location
    Hervey Bay
    Posts
    559

    Default How to get an answer other than 7?

    Simple. Make a mistake. (but only 1. If you make 2 mistakes, they might cancel each other out, and you'll accidently get the correct answer.)

  13. #12
    Join Date
    Nov 2003
    Location
    Sydney
    Age
    53
    Posts
    8,879

    Default

    Quote Originally Posted by Ashore View Post
    same thing if you take out the double and divide by 2 just halve the number you subtract

    Think of a number
    add 10
    Subtract 3
    take away origional number
    Answer 7
    Quote Originally Posted by Wongo View Post
    Think of a number
    Subtract the same number
    Add 7

    Do you get 7?

    Love your work Ivan
    Visit my website at www.myFineWoodWork.com

  14. #13
    Join Date
    Feb 2005
    Location
    Sydney
    Age
    74
    Posts
    1,389

    Default Count your fingers

    Count your fingers.

    Work at a saw mill for 7 years

    Count your fingers.

    Answer......

  15. #14
    Join Date
    Nov 2007
    Location
    belgrave
    Age
    61
    Posts
    7,934

    Default

    I got -7 by starting with a negative number less than -10 (as in -11, -12, -13)
    Do I win a prize?
    anne-maria.
    T
    ea Lady

    (White with none)
    Follow my little workshop/gallery on facebook. things of clay and wood.

  16. #15
    Join Date
    Nov 2003
    Location
    Sydney
    Age
    53
    Posts
    8,879

    Default

    How did you do that tea lady?
    Visit my website at www.myFineWoodWork.com

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