Brain Teasers Collection #1
What's different about these groups of numbers?
Instructions: The first line of numbers is different than the second line of numbers. What's different about them?
Time yourself! - Are you faster than your friends?
First group:
1 4 7
Second group:
0 2 3 5 6 8 9
Click for Hint #1
It's obviously not odds or evens.
Click for Hint #2
Look at the lines that make up the numbers.
Click for Hint #3 (will make it so easy, you're sure to figure it out)
It's the way the lines are drawn. Pay specific attention to straight lines - or the lack of.
Solved it? Now email your friends - can they solve it as fast as you?
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