You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?
I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?
What is harder to catch the faster you run?
There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.
Who is that with a neck and no head, two arms and no hands? What is it?
Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?
There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.
What is it?
Can you find out what is missing?
1 3 5
2 4 ?
Hint: It's not six. Think out of the box.
A plane crashed between the border of Mexico and America. Where do you bury the survivors?
Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.
Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?
Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?
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.