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.

What occurs twice in a week, once in a year but never in a day?

What number do you get when you multiply all of the numbers on a telephone's number pad?

What is the longest word in the dictionary?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

If you paint a brown house white it will become a white house. If the stoplight changes from red to green, then the light is green. So, if you throw a white shirt into the Red Sea, what will it become?

Take away the whole and some still remain. What is it?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?