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It's no lie... (Posted on 2022-08-18) Difficulty: 3 of 5

5-1 = 4
8-4 = 18
14-9 = 343
15-5 = 605
23-11 = ?

Find the rule that makes this work!

  Submitted by broll    
Rating: 5.0000 (1 votes)
Solution: (Hide)
Another word for a lie is a fib, which could also be an abbreviation of Fibonacci:

fib(5)-fib(1) = 4
fib(8)-fib(4) = 18, and so on.

So the answer is 28568.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Some ThoughtsSome Considered ThoughtsK Sengupta2022-08-18 23:58:24
commentSteven Lord2022-08-18 15:16:58
SolutionA solution (my own special rule)Jer2022-08-18 14:54:21
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