Touchpad 能不能直接连移动硬盘?# PDA - 掌中宝
c*l
1 楼
I remembered that someone post a brain teaster question, but cannot find it
now. Based on my memoery, here is it:
a dice with all black surfaces and white inside. cut the dice into 27 small
cubes with 6 cuts. and take one to roll, what is the probabability that a
black surface is on the top?
=> is the question correct?
=> 6/(12+6 ) = 1/3 is the correct answer?
now. Based on my memoery, here is it:
a dice with all black surfaces and white inside. cut the dice into 27 small
cubes with 6 cuts. and take one to roll, what is the probabability that a
black surface is on the top?
=> is the question correct?
=> 6/(12+6 ) = 1/3 is the correct answer?