Question
‘P’ and ‘Q’ together can finish a task in 15 days while ‘Q’ alone can do it in 25 days. If the ratio of efficiencies of ‘P’ and ‘R’ is 3:5 respectively, then find the ratio of efficiencies of ‘Q’ and ‘R’.
More Time and work Questions
- A team of 6 workers, each working 8 hours per day, can build a 200-metre-long wall in 15 days. How many workers would be needed to construct a 300-metre-lo...
- A can complete a job in 20 hours. B alone can complete the same job in 15 hrs. A work for 9 hrs and then the remaining job is completed by B. How many hour...
- Akhil and Nikhil together can complete a work in 10 days while Nikhil alone takes 20 days to complete 40% of the work. If the efficiency of Sachin is 25% m...
- A team leader can do a job as fast as three members of the team working together. If one of the members can do the job in 5 hrs, the second one takes 10 hr...
- ‘A’ alone can complete a work in 12 days. ‘B’ alone can complete the same work in 20 days. If ‘A’ and ‘B’ work together for 6 days, then the remaining work...
- A can complete a work in 18 hours while B can complete it in 12 hours. If C is 80% more efficient than A and B together, then find the time taken by C alon...
- A’ and ‘B’ together can complete a work in 25 days while ‘A’ takes 30 days to complete the same work alone. If ‘C’ is 20% more efficient than ‘B’, then fin...
- ‘M’ and ‘N’ together can do a work in 20 days. If ‘M’ increases his efficiency by 25% while ‘N’ decreases his efficiency by 50%, then the time taken to com...
- A and B can complete a piece of work in 15 days and 10 days respectively. They started the work together, but B left after some days and A finished the rem...
- An elephant can do a work as fast as two horses ‘A’ and ‘B’ can do it by working together. If horse ‘A’ alone can complete the work in 9 hours and horse ‘B...
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
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)