Question : Sarthak and Mohan have been assigned work to design a room for a ceremony, Sarthak can design the entire room in 12 days, while Mohan can design the room in 15 days. In how many days will the work be completed if they work together? (Rounded off to 2 decimal places)

Option 1: 5.67

Option 2: 6.67

Option 3: 7.33

Option 4: 6.00

Question : In a company, a piece of work can be completed in 4, 6 and 18 days alone by R, S and T, respectively. In how many days will the work be completed if they work together? (Rounded off to 2 decimal places)

Option 1: 3.32

Option 2: 2.12

Option 3: 2.42

Option 4: 3.21

Question : A can do $\frac{1}{3}$ of a work in 30 days. B can do $\frac{2}{5}$ of the same work in 24 days. They worked together for 20 days. C completed the remaining work in 8 days. Working together A, B and C will complete the same work in:

Option 1: 15 days

Option 2: 10 days

Option 3: 18 days

Option 4: 12 days

Question : A, B and C can all together do a piece of work in 10 days, in which B takes 3 times as long as A and C together to do the work. In how many days can B alone do the work?

Option 1: 50 days

Option 2: 40 days

Option 3: 10 days

Option 4: 15 days

Question : 15 men can complete a work in 25 days and 25 women can complete the same work in 40 days. If all the 15 men and 25 women work together, in how many days will the work get completed?

Option 1: $15 \frac{5}{13}$ days

Option 2: $10 \frac{5}{13}$ days

Option 3: $15 \frac{5}{12}$ days

Option 4: $15 \frac{4}{13}$ days

Question : A and B together can do a piece of work in 12 days, while A alone can do the same work in 30 days. B alone can do it in:

Option 1: 18 days

Option 2: 20 days

Option 3: 15 days

Option 4: 22 days