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

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

The centre of the third figure is empty. What digit should fit inside?

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

Eight of us go fourth, not back, to protect our king from an attack. What are we?