Question : The value of $\frac{1}{8} × \left[\frac{1}{5}\right.$ of $\left.\frac{11}{2} ÷\left\{\left(\frac{15}{3}-\frac{18}{6}\right)\right\}\right]$ is:

Option 1: $\frac{11}{160}$

Option 2: $\frac{11}{20}$

Option 3: $\frac{8}{11}$

Option 4: $\frac{11}{8}$

Question : Aadish can complete a work in 14 days. If he worked for 8 days, then what fraction of the work would be left?

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

Option 2: $\frac{3}{7}$

Option 3: $\frac{4}{7}$

Option 4: $\frac{1}{7}$

Question : What is the value of $\left[\frac{1}{5}+\left\{\frac{1}{6}\right.\right.$ of $\left.\left.\left(\frac{42}{35} \div \frac{6}{25}\right)–\left(\frac{2}{7} \times \frac{6}{5} \div \frac{18}{42}\right)\right\}+\frac{19}{30}\right]$?

Option 1: $\frac{17}{15}$

Option 2: $\frac{13}{15}$

Option 3: $\frac{14}{15}$

Option 4: $\frac{11}{15}$

Question : A alone can do a work in 16 days and B alone can do the same work in 12 days. If they worked together on it for 4 days and A left. How long did B take to finish the remaining work?

Option 1: 7 days

Option 2: 5 days

Option 3: 6 days

Option 4: 8 days

Question : A, B, and C can do a piece of work in 10, 20, and 30 days, respectively. In how many days can A do the work if he is assisted by B and C on every third day?

Option 1: 9 days

Option 2: $8 \frac{5}{11}$ days

Option 3: $8 \frac{2}{11}$ days

Option 4: $6 \frac{5}{11}$ days