What always comes into a house through the keyhole?
Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?
In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special. This date is special as: Date * Month = Year. Can you figure out which year of this century has a maximum number of such dates?
John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller. I called their home number and one of them picked up. I asked. 'Does John lie?' The person replied with a yes. Whom did I talk with, John or Jacob?
There are forty elephants and they have forty-fore heads. How can this be possible?
Our product and our sum always give the same answer. Who are we?
The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?
Jenifer and Jesica are having a conversation. Jenifer: I am definitely not over 30. Jesica: I am 28 and you are surely 5 years older to me at least. Jenifer: No, you are at least 29. You are told that both of them are lying throughout in the conversation. Can you find their respective ages?
He does not have any heart but still, He manages to live. If you kill him, you will eventually die but yet you kill him. He cannot run, who is He?
I make two people out of one. What am I?
An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky. Which layer will go on the first?
The day before the 1996 U.S. presidential election, the NYT Crossword contained the clue “Lead story in tomorrow’s newspaper,” the puzzle was built so that both electoral outcomes were correct answers, requiring 7 other clues to have dual responses.