Why is the longest human nose just 11 inches?

Whats the next number in the below number sequence pattern.

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

How is a fly different from a mosquito?

They are three errirs in this question. Can you find them?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?