Who is that with a neck and no head, two arms and no hands? What is it?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What kind of tree can you carry in your hand?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

What is the end of everything?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Who can jump higher than a Mountain?

When does a USA Potato change its nationality?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

What is harder to catch the faster you run?