A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

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.

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What do you get if you add 2 to 100 four times?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Can you make a six-letter word using the letters N, A and B ?

How far can you walk into the woods?