the third option
because 1/3 is not equal to three
where as if we replace the x with one in all the other we would find that the equation is correct.
2 green spaces, 2 star spaces, 2 question mark spaces
2) C
3) B
4) C
6) I'm pretty sure its D but it could be C
12 / 6
Therefore the answer is 2
Hope this helped you today,
Have a good dayN