You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

What does this say?

XLR8

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

I cannot talk, but I always reply when spoken to. What am I?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

How many letters are in the alphabet?