I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

Which is faster, Heat or Cold ? Explain.

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

Can you find a rabbit in the given picture?

By what process could you make a 'Tea-Table' into food?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?