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ParthKohli
 3 years ago
These letters are the same when they are made upsidedown: H, I, N, O, S, X, and Z.
ParthKohli
 3 years ago
These letters are the same when they are made upsidedown: H, I, N, O, S, X, and Z.

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EvonHowell
 3 years ago
Best ResponseYou've already chosen the best response.0And what is the Question?

ParthKohli
 3 years ago
Best ResponseYou've already chosen the best response.1How many threeletter "words" can be formed that are the same when they are upsidedown?

goformit100
 3 years ago
Best ResponseYou've already chosen the best response.0Fake Question....... not a mathematics question

ParthKohli
 3 years ago
Best ResponseYou've already chosen the best response.1At first, I thought of \(7P3\), but then I saw that repetition is allowed, so I thought of \(21P3\)

ParthKohli
 3 years ago
Best ResponseYou've already chosen the best response.1@goformit100 It's called combinatorics.

ParthKohli
 3 years ago
Best ResponseYou've already chosen the best response.1it might be 7 * 7 * 7

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0The first and the last letter must be same

RadEn
 3 years ago
Best ResponseYou've already chosen the best response.0looks s and z made upsidedown, they were not same :) dw:1360990401416:dw

ParthKohli
 3 years ago
Best ResponseYou've already chosen the best response.1@RadEn That is the mirror image, not the upsidedown image. :P

RadEn
 3 years ago
Best ResponseYou've already chosen the best response.0Ohhhh... missunderstanding :)
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