Question : (0.1 × 0.01 × 0.001 × 10⁷) is equal to:

Option 1: 100

Option 2: 10^–1

Option 3: 10^–2

Option 4: 10

Question : The value of $\frac{6.35 \times 6.35 \times 6.35+3.65 \times 3.65 \times 3.65}{63.5 \times 63.5+36.5 \times 36.5-63.5 \times 36.5}$ is equal to:

Option 1: 0.1

Option 2: 10

Option 3: 1

Option 4: 0.01

Question : What is the value of $\frac{(0.5)^{3}-(0.1)^{3}}{(0.5)^{2}+0.5\times 0.1+(0.1)^{2}}$?

Option 1: $0.1$

Option 2: $0.4$

Option 3: $0.5$

Option 4: $0.6$

Question : The simplified value of (0.2)³ × 400 ÷ 2000 of (0.2)² is:

Option 1: $\frac{1}{25}$

Option 2: $\frac{3}{25}$

Option 3: $\frac{2}{25}$

Option 4: $\frac{1}{50}$

Question : What is the simplified value of
$\left(1-\frac{1}{4-\frac{2}{1+\frac{1}{\frac{1}{3}+2}}}\right) \times \frac{15}{16} \div \frac{2}{3}$ of $2 \frac{1}{4}-\frac{3+4}{3^3+4^3}$

Option 1: $\frac{5}{13}$

Option 2: $\frac{4}{13}$

Option 3: $\frac{8}{13}$

Option 4: $\frac{6}{13}$