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

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

How can one talk without saying a single word?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

What can go through glass without breaking it?