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Calendar Cubes (Posted on 2002-09-09) Difficulty: 3 of 5
A businessman has two cubes on his desk. Each cube has a number on each of its sides. Every day, the businessman arranges the cubes in such a way that the upward facing numbers display the day's date. (Note that both cubes are always used for this, so on the 7th of the month, the cubes' surfaces display "07".)

How are these cubes numbered? (I.E. What numbers are on which cube? - call them C1 and C2.)


See The Solution Submitted by levik    
Rating: 3.3750 (8 votes)

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Solution upside down trick | Comment 3 of 12 |
Both cubes will have 0,1,2
3,4,5 are in 1 cube while 6,7,8 are in the other

So 1 cube will have - 0,1,2,3,4,5
and the other - 0,1,2,6,7,8

and since there is no '9' we can use the upside down '6'
  Posted by Dulanjana on 2002-09-10 03:40:53
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