Question
‘A’ and ‘B’ together can complete a work in 18 days. If ‘A’ increases his efficiency by 20% and ‘B’ decreases his efficiency by 40%, then the time required to complete the work remains unchanged. Find the ratio of efficiencies of ‘A’ and ‘B’, respectively.
More Time and work Questions
- A work can be completed by ‘A’ and ‘B’, alone in 15 days and 10 days, respectively. Find the number of days taken by ‘C’ to complete the same work alone if...
- Lucas, Maya, and Riley can build a wall in 5, 10, and 15 days respectively. If they start the job together and Lucas leaves 3 days before the job is done, ...
- A and B together can finish a job in 12 days. B alone takes 30 days. How long will A and C together take to finish the same job if C does one-fourth of A’s...
- Two cars start from the same point and move in the same direction along a straight road. The speed of the first car is 50 km/h and that of the second car i...
- 50 children can decorate a hall in 25 days. If 25 children began decorating and after 10 days ‘z’ additional children joined, completing the decoration in ...
- 'Sumit' can complete (3/8) of a job in 24 days, where as 'Sumit' and 'Tarun' together can finish it in 16 days. Calculate the time 'Tarun' needs to complet...
- 9 children can complete a piece of work in 360 days. 18 men can complete the same piece of work in 72 days and 12 women can complete the piece of work in 1...
- 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...
- ‘A’ can do a piece of work in 15 days. ‘B’ can do 60% of the same work in 20 days. If they work together for the entire time and get paid Rs.1450, then fin...
- 4 men earn Rs. 960 altogether for working 8 days. If a woman earns Rs. 4 more than each man per day, what will be the total earnings of 10 women in 5 days?
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)