Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

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

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

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?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

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

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

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes