Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ ¹ ² ³ °
 

You are not logged in. #1 20050826 07:38:27
Looking for the fifth numberHi, #2 20050826 08:29:39
Re: Looking for the fifth numberfor me, the most funny aspect of these type of problems is that we can approach the given values mathematically or logically. and both answers are correct! #4 20050826 09:47:51
Re: Looking for the fifth numberMathematically you could find lots of things to fit that. A polynomial for example. But it was a Science Quiz, so I expect you are supposed to recognize something. "The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  Leon M. Lederman #5 20050826 17:12:20
Re: Looking for the fifth numberThanks to all for your replies. Here is some more information. #6 20050830 06:43:40
Re: Looking for the fifth numberWho knows, but I guess 117, so it goes 137 153 163 127 117 173 183 107 97 193 203 87 77... 