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 The omitted age (Posted on 2005-10-20)
When completed, the cross-number below will have one digit (from 0-9) in each cell, and no zeros in row (a) and in column (a).
```         (a) (b) (c)
+---+---+
(a)     |   |   |
+---+---+---+
(b) |   |   |   |
+---+---+---+
(c) |   |   |
+---+---+

ACROSS : (a) Abigail´s age.
(b) Sum of Abigail´s age,
Blanche´s age,
Cynthia´s age, and
Darlene´s age.
(c) Blanche´s age.

DOWN   : (a) Darlene´s age
(b) Sum of three of the ages in (b) across.
(c) Cynthia´s age.```
Whose age was omitted from (b) down, and what are the ages of the 4 women ?

Note: this can be solved by hand. Those who will use the computer, give the others some time before posting the solution obtained this way. Tk you.

 See The Solution Submitted by pcbouhid Rating: 3.0000 (3 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
 re(7): Re: Solution by hand | Comment 10 of 21 |
(In reply to re(6): Re: Solution by hand by Mike)

Mike, you are in the right way.

Call the cells A, B, C, D, E, F, G, and test the 4 possible hypotheses, that are: (1) if Abigail´s age omited; (2) if ....

The sum of the 4 ages are : CDE

Hyp (1) - Abigail´s age omitted: CDE = ADG + AB

etc...

Only one hypothesis will remain.

Edited on October 21, 2005, 4:21 pm
 Posted by pcbouhid on 2005-10-21 15:59:12

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