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?

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

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

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

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?