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Efficiency of P = 6/6 = 1 units Efficiency of Q = 6/3 = 2 units Efficiency of P, Q and R = (6 × 10)/4 = 15 units per day Efficiency of R = 15 – (1 + 2) = 12 units per day Time taken by R to finish work ‘N’ = 60/12 = 5 days
30 men can complete a piece of work in 11 days. 15 men started the same work and worked for 8 days, and then joined by ‘x’ more men such that the re...
Two workers A and B were put to some work. If A worked alone, he would have taken 8 hours more than when both A and B had worked together. If B worked a...
Pawan can finish a task in 28 days, while Bhavna requires 7 more days than Pawan to complete the same task. They both started wor...
Twenty laborers can complete a piece of work in 12 days. If 20 laborers started working and after 3 more days, additional laborers joined to complete th...
Anil, Sunil, and Rajesh can complete a project working alone in 6, 8, and 12 days, respectively. If they all work together to complete the project and e...
A pipe can fill a tank in 12 hours, while a second pipe can empty it in 18 hours. If both pipes are opened at the same time, how long will it take to fi...
A work can be completed by ‘A’ and ‘B’, alone in 10 days and 12 days, respectively. Find the number of days taken by ‘C’ to complete the sam...
A can do a job in 24 days, while B can do the same job in 30 days. They started the work together, but A left after 6 days. In how many more days will B...
A, B, and C each have different rates of completing a task; A can finish it in 36 days, B in 60 days, and C in 30 days. Initially, they begin the work c...
Rahul can complete a project in 50 days, while Karan can finish the same project in 75 days. Rahul starts working alone, and after 30 days, Karan joins ...
