There are 4 keys and 4 locks. What is the maximum number of times you need to try the locks so as to match all 4 keys to their locks?
Riddle AnswerShort Riddles
Probability That Both Children Are Boys
Mr. Smith has two children. At least one of them is a boy. What is the probability that both children are boys?
Riddle AnswerCome by Night Lost by Day
At night they come without being fetched, and by day they are lost without being stolen. What are they?
Riddle AnswerDay You Will Never See Again
2 Apples of 1 Kind
Three kinds of apples are mixed randomly in a box. How many apples must you take out to be sure of having at least two apples of one kind?
Riddle Answer