I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.
Who Am I ?
Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.
I travel all around the world but always stay in the corner. What am I?
What brings you down but never up?
What always comes into a house through the keyhole?
If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?
An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?
A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?
There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.
What is the minimum number of boxes you must check in order to label all boxes correctly?
If six children and two dogs were under an umbrella, how come none of them got wet?
In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.
