Question
18 skilled workers can complete a task in 12 days while 24 semi-skilled workers need 15 days to complete the same task. 12 skilled workers started the task but 3 of them left after a few days. How many semi-skilled workers should replace the 3 skilled ones who left so that the task can be completed in the stipulated time?
More Time and work Questions
- Ajay alone can complete a work in 10 days and Bittu alone can complete the same work in 15 days. Ajay starts the work alone and after three days Bittu join...
- Ravi and Ramesh can do a job together in 20 days. They worked together for 12 days and then Suresh finished the remaining work alone in 10 days.Find how lo...
- Worker A can build a wall alone in 30 days. When A and B work together, they can complete the wall in 16 days. If B starts building the wall alone and work...
- Rahul can complete a work in 12 days and Ayush in 15 days. If they work together for 3 days, then the fraction of work that will be left is:
- Karan, Arjun and Krunal alone can complete a work in 40, 60 and 48 days respectively. All of them started working together but after 3 days from start Kara...
- 'A' alone can do some work in 18 days. 'B' is 20% more efficient than 'A'. 'A' worked alone for 12 days and left. How much time (in days) does 'B' need to ...
- A and B together can complete a work in 12 days, B and C together in 15 days, and C and A together in 20 days. In how many days can A, B and C together com...
- (x) men can do some work in 42 days. If 10 more men added then the work would have been completed in 30 days, then in how many days (x+45) men can do the s...
- The time taken by ‘X’, ‘Y’ and ‘Z’ to complete a task is ‘6n’ days, ‘9n’ days and ‘12n’ days, respectively. What is the ratio of their efficiencies?
- A group of 21 boys, each working 6 hours a day, complete a school project in 15 days. How many days will it take for 18 boys, working 5 hours daily, to fin...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt