What Adam and Eve do not have but the rest of the people have?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What does a man do only once in his lifetime, but women do once a year after they are 29?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Using Only Five 5's and any mathematical operator make sum as 37

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

What jumps when it walks and sits when it stands?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?