What always comes into a house through the keyhole?

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

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

I am an odd number. Take away a letter and I become even. What number am I?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

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

I have feet, but no legs. Which animal Am I?

No matter how little or how much you use me, you change me every month. What am I?