Which number should replace the question mark?

Why is the longest human nose just 11 inches?

Can you find out the total number of triangles in the given figure?

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

When 99 is considered higher than 100?

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?

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

What number divided by 4 is the same as that number minus 4?

Can you fill the blank with the correct number?

6 30 870 756030 _____

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?