Can you find out which options fits best with the missing column?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

Can you count the number of triangles in the given figure?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

What number when divided in half becomes zero?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

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

Remove two matchsticks to make the below equation correct.

What is always in front of you but can’t be seen?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?