| A More Mathematical Problem! |
What is the next number in the following sequence, and why?
7, 11, 13, 14, 19, 21, 22, 25
Submitted by Anonymous |
Problem Moderated by: Douglas |
| Problem Solution |
This little problem is (as I warned in the title) a little more mathematical than most of these brainteasers.
The solution is: Each number has exactly three 1's in its binary (base TWO) representation:
7 = 111 base two
11 = 1011 base two
etc.
The next number then, is 26
26 = 11010
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