I am quite hot but become too cold if you remove the first two letters. What am I?

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

What does this mathematical rebus means ?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

If eleven plus two equals one, what does nine plus five equal?