Question : What is the value of $\sqrt{4600+\sqrt{540+\sqrt{1280+\sqrt{250+\sqrt{36}}}}}$?

Option 1: 69

Option 2: 68

Option 3: 70

Option 4: 72

Question : The value of $\sqrt{72+\sqrt{72+\sqrt{72+...}}}$ is:

Option 1: 9

Option 2: 8

Option 3: 18

Option 4: 12

Question : The value of $\sqrt{2\sqrt[3]{4\sqrt{2\sqrt[3]{4\sqrt{2\sqrt[3]{4.......}}}}}}$ is:

Option 1: 2

Option 2: $2^{2}$

Option 3: $2^{3}$

Option 4: $2^{5}$

Question : What is the value of $\cos45° \sin15°$?

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

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

Option 3: $(\sqrt{3}+1)$

Option 4: $2 \sqrt{3}-1$

Question : The value of $\sqrt{–\sqrt{3}+\sqrt{3+8\sqrt{7+4\sqrt{3}}}}$ is:

Option 1: 2

Option 2: 4

Option 3: $\pm 2$

Option 4: –2

Question : What is the value of $\cos ^2 15°?$

Option 1: $(2+\sqrt{3})$

Option 2: $\frac{(2+\sqrt{3})}{4}$

Option 3: $\frac{(2+\sqrt{3})}{2}$

Option 4: $\frac{(1+\sqrt{3})}{2}$