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Ordinal Days (Posted on 2010-02-17) Difficulty: 3 of 5
If the days of the week are represented as follows:

MO TU W TH F SA SU

and are numbered 1 to 7 as follows:

MO TU  W TH  F SA SU
 1  2  3  4  5  6  7

assign to each letter a non-zero digit so that the numbers represented by the day abbreviations given are each divisible by the digit assigned to that day, but by no higher digit.

See The Solution Submitted by Charlie    
Rating: 2.5000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: SPOILER | Comment 2 of 4 |
(In reply to SPOILER by Ady TZIDON)

I agree with your second solution, but your first one has some problems.

For TU = 78, it is divisible by 2 and 39. 39 is a multiple of 3, meaning that 78 itself is divisible by 3. So, that value, as well as 24 (4x6 = 3x8) don't follow the rules, and thus can't be part of the solution.

So, your first solution is invalid, leaving only the second solution as a possibility.

  Posted by Justin on 2010-02-17 15:01:26

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