What is the longest word in the dictionary?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

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 all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

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

How Come ??

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

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