A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

I am white when I am dirty, and black when I am clean. What am I?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

In a picnic session, a footballer was practicing. During his play, he busted lips and ears and broke ribs and thighs. However, he was still able to play a professional match on the very next day.



How can this be possible?

Why is a river so rich ?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

What came first, the chicken or the egg?