What do you answer even though it never asks you questions?

Find the smallest sentence with all the English alphabet.

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?

What is always in front of you but can’t be seen?

I can be cracked, made, told, and played. What am I?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

Forwards I am heavy, backward I am not. What am I?