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

What can you catch but never throw?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

What has lots of eyes, but can’t see?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

Count the number of triangles in the picture below:

What does this mean?

CCCCCCC

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?