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Green Ball Number Teaser

October 18th, 2007 |

green ball math sequence brain teaser

Can you figure out the missing number?

(will show submitted answers sometime this weekend)

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31 Responses to “Green Ball Number Teaser”

  1. Megan W | Guest

    ? = 592
    Because:
    8 (Ball 1) x 4 = 32 (Ball 2) + 4 = 36 (Ball 3) x 4 = 144 (Ball 4) + 4 = 148 (Ball 5) x 4 = 592 (? Ball) + 4 = 596 (Final Ball)


  2. Lady Mercy | Guest

    592
    Without a doubt.
    u(0)=8
    For odd terms:
    u(n)=u(n-1)*4
    For even terms:
    u(n)=u(n-1)+4


  3. John Lewis Highsmith | Guest

    592


  4. charity | Guest

    592


  5. kt | Guest

    592


  6. Evie | Guest

    592

    Sequence alternates between multiplying by 4 and adding 4.

    Eg
    8 x 4 = 32
    32 + 4 = 36
    36 x 4 =144
    144 + 4 = 148 … and so on


  7. Kal | Guest

    592 would be the missing number.

    The pattern is times four, plus four, times four, plus four…


  8. Joe | Guest

    592. Multiply by 4, then add 4. Repeat.


  9. david | Guest

    592


  10. Kevin from Bathurst | Guest

    592
    the repeating sequence is *4 +4


  11. Hasan | Guest

    its 592

    pattern is: x4 then +4


  12. jason | Guest

    592…..*4+4


  13. Slavco | Guest

    592


  14. Luijo | Guest

    The sequence is *4, +4, *4, +4, etc.. Missing number is 592.
    (You’re getting too easy RK! :P)


  15. Misha | Guest

    592
    The pattern is x4, +4, x4, +4…


  16. bubbly | Guest

    hey tht one was easy….u multiply nd add 4alternatively…..so the answer is 592


  17. suineg | Guest

    one answer can be this:
    Is a series: * 4 ,+4 (repeated to infinity, but only see till 596)
    1) 8*4=32+4=36*4=144+4=148*4=592+4=596


  18. Shawn | Guest

    592


  19. Jonathan Pantiesbrough | Guest

    592.


  20. Jay | Guest

    592…


  21. Kate M | Guest

    592
    think 4s


  22. Ian | Guest

    592 that was easy and i mean really easy. i barly had to think at all. the pattern is multiply by four, add four. for the ? you had to multiply and I didn’t feel like doing that. I just looked at 596 and subtracted 4.


  23. Poelo | Guest

    answer is 592.

    a x4, +4 sequence


  24. Alex | Guest

    8×4 = 32
    32 + 4 = 36
    36 x 4 = 144
    144 + 4 = 148
    148 x 4 = 592
    592 + 4 = 596


  25. JasonJ | Guest

    This took about 4 seconds ;p

    592


  26. Nicholas | Guest

    592


  27. rajjo | Guest

    4 + 4 =8
    8 x 4 =32
    32 +4 =36
    36 x 4=144
    144 +4=148
    148 x 4 =592
    592 + 4 =596


  28. Rohan | Guest

    Answer: 592

    2nd number = 1st number * 4
    3rd number = 2nd + 4 and so on.

    So 6th number = 5th number * 4
    i.e. 148*4=592


  29. RK | Profile (beta)

    592,
    by unanimous consensus :)

    ok, will try to throw some tough ones out next week!


  30. Jack S | Guest

    pattern: *4, +4, *4, +4, ….

    There for missing number is 592 (148*4)


  31. tt | Guest

    too easy - it is cover the red circle with 5 smaller circles I can’t get


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