Question : What is the value of $\small \frac{(0.7)^{3}-(0.4)^{3}}{(0.7)^{2}+0.7\times 0.4+(0.4)^{2}}$?

Option 1: 0.3

Option 2: 0.7

Option 3: 0.9

Option 4: 1.1

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 : Simplify the given expression: $(1 + x)^3 + (1 – x)^3 + (–2)^3$

Option 1: $6(1 - x^2)$

Option 2: $-3(1 - x^2)$

Option 3: $-6(1 - x^2)$

Option 4: $3(1 - x^2)$

Question : The value of $x$ in the following equation is:
0.3 + 0.6 + 0.7 + 0.8 = $x$

Option 1: $5.3$

Option 2: $2\frac{3}{10}$

Option 3: $2\frac{2}{5}$

Option 4: $2.35$

Question : If $x$ and $y$ are real numbers, then the least possible value of $4 (x -2)^2+ (y-3)^2-2 (x-3)^2$ is:

Option 1: 3

Option 2: –4

Option 3: 1

Option 4: –8