Which number should replace the question mark?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

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?

How many words can a pen with half refill write?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

Move four matchsticks to the below square to form three squares?

I am an odd number. Take away a letter and I become even. What number am I?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

What jumps when it walks and sits when it stands?

If your uncle’s sister is not your aunt, what relation is she to you?