Question : Solve {1 + 7 + (16 ÷ 8 ÷ 2)} + {(6 × 2² + 6)×$\frac{2}{\sqrt{36}}$}.

Option 1: 17

Option 2: 21

Option 3: 19

Option 4: 12

Question : If $x:y::2:3$ and $2:x::4:8$, then the value of $y$ is:

Option 1: 6

Option 2: 8

Option 3: 4

Option 4: 12

Question : If $\frac{x^8+1}{x^4}=14$, then the value of $\frac{x^{12}+1}{x^6}$ is:

Option 1: 16

Option 2: 14

Option 3: 52

Option 4: 64

Question : What is the simplified value of $(3+1)(3^{2}+1)(3^{4}+1)(3^{8}+1)(3^{16}+1)$?

Option 1: $\frac{(3^{32}-1)}{2}$

Option 2: $\frac{(3^{16}-1)}{2}$

Option 3: $\frac{(3^{64}-1)}{2}$

Option 4: $\frac{(3^{128}-1)}{2}$

Question : What is the value of $12-8 \div 2-\{16$ of $(-2)+(3 \times 5-4)\} ?$

Option 1: 29

Option 2: 45

Option 3: 1

Option 4: 0