Brain Teasers
Crack the Code
In an attempt to further protect his secret chicken recipe, Colonel Sanders has locked it away in a safe with a 10-digit password. Unable to resist his crispy fried chicken, you'd like to crack the code. Try your luck using the following information:
All digits from 0 to 9 are used exactly once.
No digit is the same as the position which it occupies in the sequence.
The sum of the 5th and 10th digits is a square number other than 9.
The sum of the 9th and 10th digits is a cube.
The 2nd digit is an even number.
Zero is in the 3rd position.
The sum of the 4th, 6th and 8th digits is a single digit number.
The sum of the 2nd and 5th digits is a triangle number.
Number 8 is 2 spaces away from the number 9 (one in between).
The number 3 is next to the 9 but not the zero.
All digits from 0 to 9 are used exactly once.
No digit is the same as the position which it occupies in the sequence.
The sum of the 5th and 10th digits is a square number other than 9.
The sum of the 9th and 10th digits is a cube.
The 2nd digit is an even number.
Zero is in the 3rd position.
The sum of the 4th, 6th and 8th digits is a single digit number.
The sum of the 2nd and 5th digits is a triangle number.
Number 8 is 2 spaces away from the number 9 (one in between).
The number 3 is next to the 9 but not the zero.
Hint
A triangle number is one which can be written with one number on the first line, 2 on the second, 3 on the third etc. Like ten-pin bowling style! (The first of these are 1, 3, 6)Answer
5 6 0 2 9 3 8 4 1 7Hide Hint Show Hint Hide Answer Show Answer
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Comments
Wow! That was a lot of work, but I actually got it! Thanks for the mental workout, Peanut! It was fun
Great job!! Logical Math. Gotta love it!
That is a really poor explanation of what a triangle number is. It still made no sense.
I must say I enjoyed this one immensely - it gave my brain a good work out fun too
WOW!!! Good one, liked it a lot but my eyes are Please keep them coming
Nice one! way too hard for me
jntfhf66
OK, THATS THE SECOND ONE TODAY TO MAKE MY HEAD HURT
Yeah my head was hurting pretty much too!!!
Love it, very nice! I need more, i think i could get adicted to these.
Thanks guys! This was my first teaser so I'm VERY happy it was ok.. Sorry the explanation on triangle numbers wasn't so hot - will think harder next time!
That did require a bit of thinking and a pen and a piece of paper but it was really good. I finally got it. Yay! I couldn't figure out what the triangle number was, but then I realized I didn't need to and figured it out and then I realized that if I looked at the hint it would have made it much easier...oh well. I'm impressed that you could come up with something like that.
Didn't u say the 5th number waz a square number besides 9? Oh well great teaser!!
Nope, the SUM of the 5th and 10th was a square besides 9...
Nov 16, 2005
Nice teaser, the only problem I had was with your wording... you said digits at some points and position at others which could end up changing the problem
Good one although my brain hurts. I gave up. Just too much work for now. Am learning patience
i agree with didida but i stil didnt get ir even with the hint really confusing!!
oh yea and like i didnt get the 5th thing about the SUM it was confusing!!!
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