Why is the longest human nose just 11 inches?

How many words can a pen with half refill write?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

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?

Buy me, smell me or deliver me, I do not change.

Who am I?

What is the difference between a jeweller and a jailer?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?