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

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

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

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

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

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?

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C