You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?
(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)
A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.
In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.
Can you find out how many animals are there in the zoo?
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.