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Arranging numbers in a row (Posted on 2008-11-20) Difficulty: 2 of 5
How many numbers, from 1 to 50 (both included) can you arrange in a row (one of each) so that each one, except the first and the last, is the sum or difference of its two neighbours?

Example: 3, 10, 7, 17, 24, 41.

10 = 3+7, 7 = 17-10, 17 = 24-7, 24 = 41-17.

See The Solution Submitted by pcbouhid    
Rating: 2.3333 (3 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
AnswerK Sengupta2009-01-07 12:03:03
re: With numbers all in a row (non-computer solution)pcbouhid2008-11-22 07:22:48
SolutionWith numbers all in a row (non-computer solution)Gamer2008-11-22 04:22:39
re(2): Re Charlie's / replyed bottemiller2008-11-21 11:31:33
re(3): computer solution ---- can you check, please?pcbouhid2008-11-21 08:04:59
re(2): computer solution ---- can you check, please?Charlie2008-11-21 00:56:17
re: Re Charlie'sCharlie2008-11-21 00:53:11
Questionre: computer solution ---- can you check, please?pcbouhid2008-11-20 21:30:12
Re Charlie'sed bottemiller2008-11-20 18:10:48
Fibonacci plused bottemiller2008-11-20 17:58:29
Solutioncomputer solutionCharlie2008-11-20 17:21:55
Some Thoughts1st trialAdy TZIDON2008-11-20 11:38:46
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