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

How can you leave a room with two legs and return with six legs?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

If an electric train is travelling south, then which way is the smoke going?

Using exactly three matchsticks, can you divide the area into two equal parts?

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

What demands an answer, but asks no questions