# jim54321

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Newbie

## jim54321's Activity

1. jim54321 added a post in a topic If you are honest...

Question: "Are you a liar?"
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2. jim54321 added a post in a topic Hats on a death row!! One of my favorites puzzles!

You can guarantee that 10 will be freed. The prisoners chat the night before and agree on the following. The prisoner on the back of the line tells everybody the color of the hat immediately in front of him. So prisoner #20 says, "red". Now prisoner #19 knows his hat is red. He in turn says, "red" and is freed. Prisoner #18 sees that #17 is wearing black. So he says, "black". Now #17 says "black" and is freed. #16 does this favor for #15. #14 does this for #13 and so on.
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3. jim54321 added a post in a topic

1
3-1=2
3
1+3=4
9-3-1=5
9-3=6
1+9-3=7
9-1=8
9
1+9=10
3+9-1=11
3+9=12
1+3+9=13
27-9-3-1=14
27-9-3=15
27-9-3+1=16
27-9-1=17
27-9=18
1+27-9 = 19
27-9+3-1=20
27-9+3=21
27-9+3+1=22
27-1-3=23
27-3=24
1+27-3=25
27-1=26
27
1+27=28
3+27-1=29
3+27=30
1+3+27=31
27+9-3-1=32
27+9-3=33
27+9-3+1=34
9+27-1=35
9+27=36
1+9+27=37
27+9+3-1=38
3+9+27=39
1+3+9+27=40
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4. jim54321 added a post in a topic

Sum of all digits is 6813.
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