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

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

What word is pronounced the same if you take away four of its five letters?

How many letters are in the alphabet?

What's a single-digit number with no value?

How can a man go eight days without sleep?