Question : If a man completed a work in 10 days and the same work was completed by a woman in 8 days. How many days will it take to complete if they work together?

Option 1: $\frac{38}{8}$

Option 2: $\frac{40}{7}$

Option 3: $\frac{40}{9}$

Option 4: $\frac{42}{9}$

Question : Aditya can complete a grill painting job in 20 hours, while Vinay can complete the same work in 15 hours. If Aditya and Vinay both work together, then in how many hours will the painting work be completed?

Option 1: $10 \frac{2}{3}$ hours

Option 2: $10$ hours

Option 3: $12$ hours

Option 4: $8 \frac{4}{7}$ hours

Question : Rohan and Mohit, together, can build a wall in 8 days. Mohit and Vikas can build the same wall in 10 days and Vikas and Rohan can Build the same wall in 12 days. In how many days can all three complete the same wall while working together?

Option 1: $\frac{240}{37}$

Option 2: $\frac{120}{37}$

Option 3: $\frac{150}{37}$

Option 4: $\frac{180}{37}$

Question : Rama alone can do a work in 5 days working 4 hours a day. Seema alone can do the same work in 3 days working 10 hours a day. How many hours do they need to work together in a day to complete the same work in 6 days?

Option 1: 1 hour

Option 2: 3 hours

Option 3: 5 hours

Option 4: 2 hours

Question : A can finish a work in 7 days. B can finish the same work in 9 days. The number of days required to finish the same work by both of them together is:

Option 1: $1\frac{15}{16}$

Option 2: $2\frac{15}{16}$

Option 3: $3\frac{15}{16}$

Option 4: $4\frac{15}{16}$