A building is being prepared for opening. People are decorating the building with 12 flags. At first they arrange the flags 4 to a side, as shown, but then they see that the flags can be arranged 5 to a side using only 12 flags. How?

A building is being prepared for opening. People are decorating the building with 12 flags. At first they arrange the flags 4 to a side, as shown, but then they see that the flags can be arranged 5 to a side using only 12 flags. How?

The number of bacteria in a large sealed jar doubles every minute. The bacteria will take an hour to fill the jar. When will the jar be half full?
Riddle AnswerWe have a 100 foot piece of ribbon. If it takes one second to cut it into a 1 foot strip how long would it take to cut the entire ribbon into one foot strips?
Riddle AnswerA book slipped from a man’s hands and fell on the floor with a loud noise. 20 eyes looked at him.
How many people were in the library?
Riddle Answer