This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

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

Replace the question mark with the correct number.

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

I shave every day, but my beard stays the same. What am I?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

What number do you get when you multiply all of the numbers on a telephone's number pad?