Some light brain exercises.

[jumbomochi]

I know I am supposed to be studying, but my brain always wanders when I actually have to use it.

Some of the brainteasers that I came across, which I thought worthy to write down. Who knows, they may come in handy...

#1 Dwarves in a CaveThere are ten dwarfs in a dark cave. Inside the cave are ten dwarf hats - five red and five blue. (The dwarfs

Comments

[jumbomochi]

Forgot to add that there are always variants of these problems.
Hat-wearing and river crossing puzzles are particularly popular, but with some experience, they all boil down to some simple reasoning / algorithm.

For the newbie puzzle-solver, these are still fun!