Videos Test Yourself Books MathFacts Math Diagnostics Math Tricks Daily PhysEd
Class Photos Worksheets Teen Math Musiclopedia Techlopedia Teacher Timesavers Study Guides
Difference

20 46 37 62 32 41 72
15 45 99 33 52 5 26
64 21 74 71 51 34 100
37 54 9 65 50 30 73
86 2 47 5 27 34 11
14 40 53 58 42 67 66
18 41 59 43 68 13 19

Challenge:
Find two numbers whose difference is 32. (example:  60 - 28 = 32)
Circle these two numbers.
Keep repeating this procedure until there is only 1 number remaining that has not been circled.
Question : What is that number?
See answer


Brain Teasers