2, 3, 5, 9, 17, _ What is the next number in the sequence?

If 21x = 79x, what is the value of x?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

A very interesting trivia question for all.

Why do men's shirts have their buttons on the right side and women's have buttons on the left-hand side?

In the picture given below, can you find out which digit will take place of the question mark?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Rearrange the letters in "new door" to make one word.

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?