Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Prove that twice of ten is the same as twice of eleven.

Can anyone tell me a word in the English dictionary which has a silent 'z'?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?