Can someone help solve these, they still baffle me

I’d like to preface this with I’m not a genius and it took mea long time but I think I found a pattern to most of them. Correct me if I’m wrong because I could be finding red herrings. I’ve also rated my confidence level for each answer I’ve provided out of five. Five being the most confident.

Question Two Answer: Option 4.

The reason is that the top row of numbers is the sum of the row below it.The top row is 9. Then the row below it is 7 and 2. If you add them you get 9. Then for the third row down you have 5+7+6=18. For the bottom row you have 4+6+x+8=18 (the reason it must equal 18 is because the sum of the row above it equaled 18). The only solution for x is 0 so option four.

Confidence Level: 3/5

Question Three Answer: Option 6.

This one appeared very tricky at first glance but upon further inspection it’s straightforward. Starting from the top left the first image has four squares in it top middle has five squares, top right has six squares, bottom left has seven squares, bottom middle has eight squares. The shape doesn’t matter. Just how many squares total are in each separate image. The only option that follows this pattern is option 6.

Confidence Level: 5/5

Question Four Answer: Option 5.

This one took me a minute. Starting from the top you can see that the sum of the three consecutive numbers will equal the fourth number in the sequence. If I start with 5 and work my way vertically down the column I can add 5+6+1 which equals 12, the last number in the sequence. Interestingly this also works if you move horizontally. If I start at 5 again I can do 5+2+3=10. Ten being the last number in the sequence. If I move a row down and start with the 6 I can again move horizontally and do 6+4+1=11. Again, the last number in the sequence. Following this pattern will lead you to the only reasonable answer which is option 5.

Question Five Answer: Option 4.

This one is kinda for me to explain over text but if you instead imagine the shape is split into four quadrants each consisting of four squares you’ll begin to see a pattern emerge. For example the top left quadrant starts with a circle with a plus sign in it. Then it has a triangle, a triangle with a dot, and finally just a dot. The bottom right quadrant is the same if the question mark is a circle with a plus sign. See my picture for a better explanation.

Confidence Level: 5/5

I’d love for some corrections or some insight on the other puzzles I didn’t manage to solve.

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