What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

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?

Find the value of "?" in the ball picture Riddle below:

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

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

Solve below rebus puzzle?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

What kind of band never plays music?

Why do you find that most of the buildings are deprived of the 13th floor?