I am white when I am dirty, and black when I am clean. What am I?
How is a fly different from a mosquito?
What work can one never finish?
Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?
There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.
How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?
Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?
Why Aeroplane windows are round?
A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?
Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.
How many frogs are there on the log at this moment?
Can you identify the direction in which this bus is moving; left or right?
Hint: The bus is moving on the roads of London.
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.
