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Mensa Level 1 Puzzle 3

 
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PeteGrant



Joined: 17 Feb 2006
Posts: 10
Location: Saranac Lake, New York

PostPosted: Sat Jun 02, 2007 1:18 am    Post subject: Mensa Level 1 Puzzle 3 Reply with quote

I bought Frank Longo's Mensa Book, Level 1 (?) and solved the first two puzzles ok, but ran into a wall on puzzle #3 after finding only two numbers! Here is where I'm stuck:
Code:

|---------------------------------------------------------------------|
|  138 | 4678 | 13478 |    2 |  1457 | 34567 | 134689 | 13456 | 14689 |
|   13 |    5 |  1347 |    8 |     9 |  3467 |   1346 |  1346 |     2 |
|    9 | 2468 | 12348 | 1345 |   145 |  3456 |      7 | 13456 |  1468 |
|---------------------|----------------------|------------------------|
|    7 |   24 |  2459 |    6 |  1245 |   345 |  12349 |     8 |   149 |
| 2568 |    3 | 24589 |  145 | 12458 |   458 |  12469 |     7 |  1469 |
|  268 |    1 |   248 |  347 |  2478 |     9 |   2346 |  2346 |     5 |
|---------------------|----------------------|------------------------|
|  125 |   27 |     6 |    9 |  4578 |  4578 |   1245 |  1245 |     3 |
|    4 |  278 |  2578 |   57 |     3 |     1 |   2568 |     9 |   678 |
| 1358 |    9 | 13578 |  457 |     6 |     2 |   1458 |   145 |  1478 |
|---------------------------------------------------------------------|

or, perhaps it's easier to the eyes with the candidates not shown:

Code:

 |-----------------------------------|
 |   |   |   | 2 |   |   |   |   |   |
 |   | 5 |   | 8 | 9 |   |   |   | 2 |
 | 9 |   |   |   |   |   | 7 |   |   |
 |-----------------------------------|
 | 7 |   |   | 6 |   |   |   | 8 |   |
 |   | 3 |   |   |   |   |   | 7 |   |
 |   | 1 |   |   |   | 9 |   |   | 5 |
 |-----------------------------------|
 |   |   | 6 | 9 |   |   |   |   | 3 |
 | 4 |   |   |   | 3 | 1 |   | 9 |   |
 |   | 9 |   |   | 6 | 2 |   |   |   |
 |-----------------------------------|
 


Can anyone tell what logic gives me the next cell?
Has anyone else worked with this book?

TIA,

Pete[/code]
________
wholesale vaporizers


Last edited by PeteGrant on Thu Feb 03, 2011 10:05 am; edited 1 time in total
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Steve R



Joined: 24 Oct 2005
Posts: 289
Location: Birmingham, England

PostPosted: Sat Jun 02, 2007 9:39 am    Post subject: Reply with quote

Code:
+-----------------------+
| . . . | 2 . . | . . . |
| . 5 . | 8 9 . | . . 2 |
| 9 . . | . . . | 7 . . |
-------------------------
| 7 . . | 6 . . | . 8 . |
| . 3 . | . . . | . 7 . |
| . 1 . | . . 9 | . . 5 |
-------------------------
| . . 6 | 9 . . | . . 3 |
| 4 . . | . 3 1 | . 9 . |
| . 9 . | . 6 2 | . . . |
+-----------------------+

As it stands I believe the puzzle has 128 solutions, which seems strange.

Can you check the entries for misprints just in case it's not worth continuing?

Steve
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PeteGrant



Joined: 17 Feb 2006
Posts: 10
Location: Saranac Lake, New York

PostPosted: Sat Jun 02, 2007 9:57 am    Post subject: Reply with quote

Oops! I missed an entry. In the original puzzle there is a 6 in r1c8 which makes all the difference and the puzzle is now solved.

Sorry for te mistake.

Pete
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