What is the fastest way to double your money?

Keyboard words are not in alphabetical order, Why?

Move four matchsticks to the below square to form three squares?

Count the number of triangles in the given picture.

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

What is the longest word in the dictionary?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?