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]