With the help clues provided in the image, can you find the 5 digit key?

What is the next number in this matchsticks series riddle?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Can you find the mistake in the below statement?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Which of the below owl is odd one out?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

How many words can a pen with half refill write?

Can you make a fire with just a single stick?

Why are all black people so quick ?