Question : If $6x–5y=13,7x+2y=23$, then $11x+18y=?$

Option 1: –15

Option 2: 51

Option 3: 33

Option 4: 15

Question : What is the equation of the line if its slope is $\frac{–2}{5}$ and it passes through the point $(1,–3)$?

Option 1: $2x+5y=17$

Option 2: $2x–5y=–13$

Option 3: $2x–5y=17$

Option 4: $2x+5y=–13$

Question : What should be added to $8(3x-4y)$ to obtain $(18x-18y)$?

Option 1: $6x-14y$

Option 2: $14y+6x$

Option 3: $14y-6x$

Option 4: $6xy$

Question : If $\frac{x}{y}=\frac{4}{5}$, then the value of $(\frac{4}{7}+\frac{2y–x}{2y+x})$ is:

Option 1: $\frac{3}{7}$

Option 2: $1\frac{1}{7}$

Option 3: $1$

Option 4: $2$

Question : If $3x-2y=3$ and $xy=9$, then find the value of $3x+2y$.

Option 1: 16

Option 2: 13

Option 3: 14

Option 4: 15

Question : If three angles of a triangle are (2y + 40°), (5y – 60°), and (3y – 80°). Then what is the value of y?

Option 1: 30°

Option 2: 24°

Option 3: 28°

Option 4: 26°