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[IQ題] 2 Math related IQ problems

I just read these last week.  I hope these are new in here.
4 W$ d( y) m9 S/ T公仔箱論壇* j1 N3 ?3 W2 X; U
#1)  What is the next sequence?
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     1, 11, 21, 1211, 111221,  ????
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$ C3 d- M7 S; @- N  g( \tvb now,tvbnow,bttvb#2)TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。. k3 D2 Z7 y; X7 _  k! o- |
公仔箱論壇* `: e3 }7 n3 A; R! _8 |3 q1 C* e
     3129 = 1tvb now,tvbnow,bttvb  E+ q& u% O1 U% U* ^
     2581 = 2, l7 o! z1 H- s; A9 o0 ^, F: a
     1111 = 0
9 |2 x0 Y* m/ ?* m公仔箱論壇     5983 = 3TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。5 G! U! E5 ?) y5 h7 K+ K% |- N& ]7 P
     6730 = 2
, ?* a3 N+ t2 U. \/ Y1 T5.39.217.77     9735 = 1TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。. R( q: r+ k1 G) r
     6666 = 4公仔箱論壇1 }; U# o' J  z/ t+ P  m: b) Y- [
     8136 = ?
5 }/ s9 t1 ~9 j
% }+ ~5 j- j. q0 l公仔箱論壇tvb now,tvbnow,bttvb! {. \* L5 l0 R/ K
Enjoy...
) I" M( V+ j, f& H# w8 H5.39.217.77
, U, r  f; M5 G# N- b/ j5.39.217.77Answer will be posted 4/15
#1)312211
8136=3
dunno ah
The numbers in this series describe how the previous number is formed.TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。# S6 E/ k0 d7 l8 d7 n
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The first no. is 1
6 O4 _5 J6 \6 X0 ?tvb now,tvbnow,bttvbThe  next one describe it: there is only one "1", therefore 11
' c3 ?1 V8 ~, E, C公仔箱論壇The next one describe the "11" as there are two "1", therefore 21
% |1 f) o; ]( |* O' X  R9 W' _$ B, SThe next one describe the "21" as there are one "2" and one "1", therefore 1211TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。. k+ R5 F) r- j) E0 o0 I
The next one describe the "1211" as there are one "1", one "2" and two "1", so 111221tvb now,tvbnow,bttvb% e* t! h+ C$ R, z3 G
The next one describe this "111221" is three "1", two "2" and one "1" so the answer is:
% q' g8 z+ \8 P+ z$ p! Itvb now,tvbnow,bttvb312211' g, i2 W. u9 z( O% C( o
公仔箱論壇7 y) N/ i% I* P* a5 n3 Y
I give up on question two.
question 2 answer unavailable
本帖最後由 gm3stevens 於 2012-6-23 06:56 PM 編輯 ! x% r7 m7 {0 r0 e

) @' P% x/ b2 _7 ^. K3 }/ l5 q5.39.217.77After seeing the IQ question 據說這是蘋果公司的面試題, it reminds me of grouping the left hand side numbers to reflect the number on the right.5.39.217.775 |) m* l& {% v, M# L
公仔箱論壇2 N; t9 q: D8 S; z+ F) f
So the right hand side number 0 can be represented by number 1
+ D: A, @1 ]# e5 V$ UThe right hand side number 1 can be represented by 3,1,2,9,7,5
% Q6 h5 w& J1 f7 U% @; J7 j3 y, kThe right hand side number 2 can be represented by 2,5,8,1,6,7,3,03 d: R1 f! ?. x( h; X
The right hand side number 3 can be represented by 5,9,8,3" G* b) m8 ?$ Q! T5 O8 f% J( f
The right hand side number 4 can be represented by 6
8 Z% ?4 C8 Y3 L" c7 j* h5.39.217.77Now the question is 8136, check the above list, 8,1,3,6 are grouped under 2. Therefore, the answer is 2TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。$ x& O) w0 F% A( x1 l8 b8 G

6 X3 ^3 T; j3 H' D" I4 ^; k5 gTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。Sorry. My bad. Someone told me that it is actually counting the number of holes in the given number.
0 w* y6 Z6 [3 ^/ @# X6 T0 zThere are 3 holes in 8136, two from number 8 and one from number 6 so the answer is 3.
7 q  d& _2 }8 JTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。& m0 G) Q( ^$ s/ W
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