Incorrectly

X is 4; Y is 11
Two alternate series
Starting with the first number: 7 6 5 4 3
Starting with the second number: 8 9 10 11 12

3020
The first 2 digits on the right of the brackets are divided by the digit on the left to gve the first digit inside the brackets. The remaining number on the right of the brackets is multiplied by the digit on the left of the brackets to give the remaining number inside the brackets.

They are equal
36 % of 67 = 36 x 67 / 100 = 24, 12
67 % of 36 = 67 x 36 / 100 = 24, 12

On a merry-go-round or fairground carousel.

Option B) 2 + 2 x 2 = 2 + 4 = 6

30 is the answer because it shows you like that but if you write it like in rows like this
1+1+1+1+11+1+1+1+11+1x0+1=? you will totally see the answer and the answer is 30

21

He wanted to have a hot time

He was always down in the dumps

Because she wanted to play by ear

9

1. 6 % 2 x 3
2. 3 x 3
3. 9