Rearrange the letters in "new door" to make one word.

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Move four matchsticks to the below square to form three squares?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

I look at you, you look at me I raise my right, you raise your left. What am I?

Name a key which is hardest to turn.

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

Find the missing letter in the last circle logically in the given below picture.

Can you calculate the probability of getting a sum of six when a dice is thrown twice?