I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

Solve the following series:
AZ, GT, MN, __, YB

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

I have no life, but I can die. What am I?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?