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

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

How could a baby fall out of a twenty-story building onto the ground and live?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

What is in seasons, seconds, centuries and minutes but not in decades, years or days?