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?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

I have no life, but I can die. What am I?

What occurs twice in a week, once in a year but never in a day?

Identify the 10 differences between the two given pictures.

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

What does this mean?

CCCCCCC