Question : Tina can do a work in 15 days and Manya can do the same work in 18 days. If they worked for 6 days, then what is the fraction of work is left?

Option 1: $\frac{4}{15}$

Option 2: $\frac{8}{15}$

Option 3: $\frac{11}{15}$

Option 4: $\frac{11}{30}$

Question : A can do a piece of work in 8 days which B can destroy in 3 days. A has worked for 6 days, during the last 2 days of which B has been destroying; how many days must A work alone to complete the remaining work?

Option 1: $7\ \text{days}$

Option 2: $7\frac{1}{3}\ \text{days}$

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

Option 4: $8\ \text{days}$

Question : A alone can complete a work in 16 days and B alone can complete the same work in 96 days. In how many days both A and B together can complete the same work?

Option 1: $\frac{88}{13}$ days

Option 2: $\frac{96}{7}$ days

Option 3: $\frac{96}{13}$ days

Option 4: $\frac{88}{14}$ days

Question : Rahul can complete his work in 7 days and Raj can complete the work in 4 days. How many total days will they take to complete the work together?

Option 1: $\frac{14}{11}$ days

Option 2: $\frac{15}{11}$ days

Option 3: $\frac{28}{13}$ days

Option 4: $\frac{28}{11}$ days

Question : A and B together can finish a work in 20 days. If they worked together for 8 days, then what was the share of work that was yet to be completed?

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

Option 2: $\frac{4}{5}$

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

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