What Adam and Eve do not have but the rest of the people have?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

What's a single-digit number with no value?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Which number should replace the question mark?

How many bananas can you eat if your stomach is empty?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?