How can you make number one disappear by adding something to it?

Before Balboa discovered the Pacific Ocean, which was the largest ocean before that?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What is the longest word in the dictionary?

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

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 ?

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?

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

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?

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?