Question : Jyothi can do $\frac{3}{4}$th of a job in 12 days. Mala is twice as efficient as Jyothi. In how many days will Mala finish the job?

Option 1: 6 days

Option 2: 8 days

Option 3: 12 days

Option 4: 16 days

Question : A is twice as efficient as B and C is thrice as efficient as B. Working together, they can finish a certain work in 5 days. A and C worked together for 5 days. B alone would complete the remaining work in ____.

Option 1: 8 days

Option 2: 5 days

Option 3: 6 days

Option 4: 4 days

Question : A is twice as good a workman as B and B is twice as good a workman as C. If A and B can together finish a piece of work in 4 days, then C can do it by himself in:

Option 1: 6 days

Option 2: 8 days

Option 3: 24 days

Option 4: 12 days

Question : 8 men and 12 women finish a job in 4 days. While 6 men and 14 women in 5 days. In how many days will 20 women finish the job?

Option 1: 10

Option 2: 20

Option 3: 30

Option 4: 15

Question : A can do $\frac{2}{5}$ of a work in 12 days while B can do $66 \frac{2}{3}\%$ of the same work in 16 days. They work together for 10 days. B alone will complete the remaining work in:

Option 1: 6 days

Option 2: 4 days

Option 3: 8 days

Option 4: 9 days

Question : A can do $\frac{4}{5}$th of a work in 20 days and B can do $\frac{3}{4}$th of the same work in 15 days. They work together for 10 days. C alone completes the remaining work in 1 day. B and C together can complete $\frac{3}{4}$th of the same work in:

Option 1: 6 days

Option 2: 8 days

Option 3: 5 days

Option 4: 4 days