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

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

What number divided by 4 is the same as that number minus 4?

What kind of storm is always in a rush?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

What English word has three consecutive double letters?

What building has the most stories?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.