I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

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?

Which point will the car reach to go out?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

Find the next number in the following series:
6, 14, 26, 98, __?

What always comes into a house through the keyhole?

Which city is three-fifths chick two third cat and 50% goat?

I can be cracked, made, told, and played. What am I?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?