What is the longest word in the dictionary?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

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

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

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

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

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?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

Find the 8 in the below-given Image.

Can you find a five letter word that is left with only two letters if one is removed?