wingdragon89

C.....

中國籍男子

C答中了。A和B一定答不到因看不到其他人。
6 Q  S% X% j. B/ P2 ]3 X( [假設C和B是同一顏色, 那D就會立刻知道自己的顏色，0 l: X) V6 k5 p& u
而不會過了一會才作答，C發現D不知道答案時就表示$ z0 X5 n" U5 E4 }
C和B是不同顏色，那麼C只要答和B相反的顏色就對了。

南極

WHY???

mavvvv

i want to know the answer

waha1ha1

C knows the answer by deducing D is not yelling out the answer.公仔箱論壇8 r3 Y% {& ^, Z0 g4 L$ ?1 G
That means D is not sure the answer by seeing one white and one black.
1 l9 z" |/ h7 W2 ], K5.39.217.77C saw B is wearing the white, hence he is wearing the black

abilam123

thank you

jonnyfang

see this before but forgot answer

sws2108

係點解呢？

wong32159

thank a lot

rockylok

dfdfd

KekHao

我觉得是D 呢。。。

formax

好難哦~~

bluekid2030

1# wasimasterQ 公仔箱論壇& O. R( L, o8 T

) H6 r9 d( p0 J/ _$ ~, }公仔箱論壇C同B都答到

roembro

C, because he saw B's hat is white and he knows D can see the color of B's and his hat. If B and his hat has the same color, D would speak out. But D kept silent, so C knows that his hat's color must be different.

morrislch

may i see the answer?