Can you make four (4) nines (9) equal 100?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Give it food and it will live; give it water and it will die.

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

Find the Odd One Out?
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36119
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72927

Can you write down eight eights so that they add up to one thousand?

How can you tell a raw egg from a hard-boiled egg?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Can you count the number of squares in the figure below?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?