Decode below rebus
D
N
A
T
S , D

If a wheel has 54 spokes, how many spaces are there between the spokes?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

Can you find out the remainder when 3^300 is divided by 5?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

What does this simple rebus mean?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

Can you count the number of squares in the given picture?