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?
Rectify the following equality 101 - 102 = 1 by moving just one digit.
You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?
It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?
What has hands, but can’t clap?
A Child was born in Lahore, Pakistan.
Still child is not a Pakistani citizen.why ?
How can you drop a raw egg from a height onto a concrete floor without cracking it?
I look at you, you look at me, I raise my right, you raise your left. What am I?
Before Mount Everest was discovered, what was the highest mountain in the world?
What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day
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.