Question : Choose the option in which the numbers are in the correct ascending order.

Option 1: $\frac{4}{5}, \frac{2}{3}, \frac{1}{11}$ and $\frac{2}{9}$

Option 2: $\frac{1}{11}, \frac{2}{9}, \frac{2}{3}$ and $\frac{4}{5}$

Option 3: $\frac{2}{9}, \frac{1}{11}, \frac{4}{5}$ and $\frac{2}{3}$

Option 4: $\frac{2}{3}, \frac{4}{5}, \frac{1}{11}$ and $\frac{2}{9}$

Question : Alloy A contains metals x and y only in the ratio 5 : 2, while alloy B contains them in the ratio 3 : 4. Alloy C is prepared by mixing alloys A and B in the ratio 4 : 5. The percentage of $x$ in alloy C is:

Option 1: $55 \frac{1}{9}\%$

Option 2: $55 \frac{2}{9}\%$

Option 3: $55 \frac{5}{9}\%$

Option 4: $55 \frac{4}{9}\%$

Question : If $abc = 5$, what is the value of $(\frac{1}{1+a+b^{-1}}+\frac{1}{1+b+5 c^{-1}}+\frac{1}{1+\frac{c}{5}+a^{-1}})$?

Option 1: $5$

Option 2: $1$

Option 3: $\frac{1}{5}$

Option 4: $(a+b+c)$

Question : What is the value of $\left(\frac{1}{a} - \frac{1}{b} - \frac{1}{c}\right)$, if $\frac{2a - 5}{a} - \frac{4b - 5}{b} + \frac{6c + 5}{c} = 0$?

Option 1: $\frac{4}{5}$

Option 2: $-\frac{8}{5}$

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

Option 4: $-\frac{12}{5}$

Question : The income of A is $\frac{2}{3}$ of B's income and the expenditure of A is $\frac{3}{4}$ of B's expenditure. If $\frac{1}{3}$ of the income of B is equal to the expenditure of A, then the ratio of the savings of A to those of B is:

Option 1: 5 : 3

Option 2: 3 : 5

Option 3: 4 : 3

Option 4: 3 : 4