A man dies of old age on his 25 birthday. How is this possible?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

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?

By using 'because' continuously three times, can you make an English statement ?