Question : Radha can complete a piece of work in 3 days, while Raji can complete the same work in 2 days. Both of them complete this work by working together and get INR 150 as the total payment for the work done. What is the share of Radha out of the above payment?

Option 1: INR 70

Option 2: INR 40

Option 3: INR 30

Option 4: INR 60

Question : A can do a piece of work in 30 days while B can do it in 40 days. How many days can A and B when working together do it?

Option 1: $42\frac{3}{4}$ days

Option 2: $27\frac{1}{7}$ days

Option 3: $17\frac{1}{7}$ days

Option 4: $70$ days

Question : A can complete 25% of a work in 10 days. B can complete 40% of the same work in 16 days. In how many days will A and B together complete twice the work mentioned above?

Option 1: 20

Option 2: 40

Option 3: 60

Option 4: 50

Question : 42 boys can complete a piece of work in 20 days working 8 hours per day. In how many days can 14 boys complete the same work, each boy working 12 hours per day?

Option 1: 39 days

Option 2: 40 days

Option 3: 41 days

Option 4: 42 days

Question : A and B together complete a work in 20 days, B and C together complete the same work in 30 days, and C and A together complete the same work in 24 days. In how many days A, B, and C together can complete the same work?

Option 1: 8 days

Option 2: 16 days

Option 3: 12 days

Option 4: 15 days

Question : D₁ and D₂ can do a piece of work together in 16 days. D₂ and D₃ can do the same work together in 24 days, while D₃ and D₁ can do it together in 48 days. In how many days can all 3, working together, do $\frac{5}{6}$ of the work?

Option 1: $\frac{31}{3}$ days

Option 2: $\frac{40}{3}$ days

Option 3: $\frac{35}{3}$ days

Option 4: $\frac{38}{3}$ days