Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

If an electric train is travelling south, then which way is the smoke going?

Using eight eights and addition only, can you make 1000?

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?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

What occurs twice in a week, once in a year but never in a day?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

In the given picture, in how many ways can you read the word "Tiger"?

What brings you down but never up?