Can you solve the maths in the below-given picture equation?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

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

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

With the help clues provided in the image, can you find the 5 digit key?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

In the four images below, can you find the odd one out?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?