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ParthKohli

  • one year ago

These letters are the same when they are made upside-down: H, I, N, O, S, X, and Z.

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  1. EvonHowell
    • one year ago
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    And what is the Question?

  2. ParthKohli
    • one year ago
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    How many three-letter "words" can be formed that are the same when they are upside-down?

  3. goformit100
    • one year ago
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    Fake Question....... not a mathematics question

  4. ParthKohli
    • one year ago
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    At first, I thought of \(7P3\), but then I saw that repetition is allowed, so I thought of \(21P3\)

  5. ParthKohli
    • one year ago
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    @goformit100 It's called combinatorics.

  6. ParthKohli
    • one year ago
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    Neither is correct.

  7. goformit100
    • one year ago
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    Ok Then :)

  8. LOOSEr
    • one year ago
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    7*7*1

  9. LOOSEr
    • one year ago
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    so, 49

  10. ParthKohli
    • one year ago
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    how the 1?

  11. ParthKohli
    • one year ago
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    it might be 7 * 7 * 7

  12. LOOSEr
    • one year ago
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    The first and the last letter must be same

  13. ParthKohli
    • one year ago
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    Oh yes!

  14. RadEn
    • one year ago
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    looks s and z made upside-down, they were not same :) |dw:1360990401416:dw|

  15. ParthKohli
    • one year ago
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    @RadEn That is the mirror image, not the upside-down image. :-P

  16. RadEn
    • one year ago
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    Ohhhh... missunderstanding :)

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