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 AnswerGood Riddles
1 Foot Strip
We 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 AnswerYou Buy It to Eat, but You Don’t Eat It
Tina’s Age
Mark is 6 years old. His sister Tina is half of his age. So when Mark is 100 years old, how old is Tina?
Riddle AnswerBicycle Race
In a bicycle race, the man who came two places in front of the last man finished one ahead of the man who came fifth. How many contestants were there?
Riddle Answer