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

How many bananas can you eat if your stomach is empty?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

What is the longest word in the dictionary?

There was a blind beggar living on the footpath of a street. Suddenly one day, the beggar's brother died. What was the relation of the blind beggar with the person who died?

PS: Brother is not the answer.

One night, Louis and Adam were sitting together. Adam was watching a movie while his wife Louis was reading a mystery book. Suddenly the power went out and Adam decided to go to bed, but strangely Louis kept on reading. There was no artificial light around, so Louis kept on reading. 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