#### A builder appoints three construction workers Akash, Sunil and Rakesh on one of his sites. They take 20, 30 and 60 days respectively to do a piece of work. How many days will it take Akash to complete the entire work if he is assisted by Sunil and Rakesh every third day?
1. [ ] 10 days
2. [x] 15 days
3. [ ] 25 days
4. [ ] 30 days
#### To complete a piece of work, Samir takes 6 days and Tanvir takes 8 days alone respectively. Samir and Tanvir took Rs.2400 to do this work. When Amir joined them, the work was done in 3 days. What amount was paid to Amir?
1. [x] Rs. 300
2. [ ] Rs. 400
3. [ ] Rs. 800
4. [ ] Rs. 500
#### Dev completed the school project in 20 days. How many days will Arun take to complete the same work if he is 25% more efficient than Dev?
1. [ ] 10 days
2. [ ] 12 days
3. [x] 16 days
4. [ ] 15 days
#### Time taken by A to finish a piece of work is twice the time taken B and thrice the time taken by C. If all three of them work together, it takes them 2 days to complete the entire work. How much work was done by B alone?
1. [ ] 2 days
2. [x] 6 days
3. [ ] 3 days
4. [ ] 5 days
#### Sonal and Preeti started working on a project and they can complete the project in 30 days. Sonal worked for 16 days and Preeti completed the remaining work in 44 days. How many days would Preeti have taken to complete the entire project all by herself?
1. [ ] 20 days
2. [ ] 25 days
3. [ ] 46 days
4. [x] 60 days