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 : If 4 men or 6 women can do a piece of work in 12 days, working 7 hours a day. How many days will it take to complete a work twice as large, with 10 men and 3 women working together 8 hours a day?

Option 1: 6 days

Option 2: 7 days

Option 3: 8 days

Option 4: 10 days

Question : 30 women working 5 hours a day can complete a work in 18 days, In how many days will 21 women working 8 hours a day complete the same work?

Option 1: $18\frac{7}{13}$ days

Option 2: $17\frac{11}{13}$ days

Option 3: $16\frac{1}{14}$ days

Option 4: $13\frac{3}{14}$ days

Question : Rahul alone can complete a work in 10 days and Sonu alone can complete the same work in 15 days. If they work together for 4 days, then what part of total work is left?

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

Option 2: $\frac{1}{5}$

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

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

Question : A and B together can complete a work in 20 days. B and C together can complete the same work in 15 days. If A, B, and C all work together, then the same work gets completed in 10 days. How many days will A and C together take to complete the same work?

Option 1: 8 days

Option 2: 10 days

Option 3: 15 days

Option 4: 12 days

Question : If 7 people working 4 hours a day can complete a task in 14 days. The number of days taken by 12 people working 8 hours a day will be:

Option 1: $5\frac{1}{8}$ days

Option 2: $8$ days

Option 3: $4\frac{1}{12}$ days

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