have you ever heard of professer layton for ds. all it is is brain-teasers.
here are some math related ones.
1.
the distance 3 racehorses can around the racetrack in one minute is listed below
HORSE A: 2 laps
HORSE B: 3 laps
C: 4 laps
The horses line up at the starting line and start running in the same direction. how many minutes until all 3 horses line up at the starting line again
all post more 8) [/b][/i]