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

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

What has lots of eyes, but can’t see?

You can see it everyday, But cannot touch it at will. What is it?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

Can you name four days which start with the letter 'T'?

What came first, the chicken or the egg?

Which tank will fill first?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

What does this say?

XLR8