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 AnswerTina’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