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Let total work = 60 units (LCM of 20 and 15) Efficiency of ‘A’ = (60/20) = 3 units/day Efficiency of ‘B’ = (60/15) = 4 units/day Combined efficiency of ‘A’, ‘B’ and ‘C’ = (60/5) = 12 units/day Efficiency of ‘C’ = 12 – (3 + 4) = 5 units/day Required time taken = (60/5) = 12 days
(x + 6) workers complete 40% of a job in 8 days by working 5 hours/day. The remaining work is done by (x + 2) workers in 16 days working 5 hours/day. Fi...
A and B can complete a task together in 26 days, while B alone takes 52 days to finish it. A began working alone and left after ‘x’ days, after whic...
50 children can decorate a hall in 25 days. If 25 children began decorating and after 10 days ‘z’ additional children joined, completing the decorat...
Efficiency of A, and B are in the ratio of 3 : 4. If both can do a work together in 30 days. Find out how much days A will take to complete the work alone?
'K' and 'L' together can complete a work in 24 days. They started working together but after 16 days, 'L' left and remaining work was completed by 'K' a...
'A' requires 16 more days to finish a task compared to 'B'. When 'A' and 'B' collaborate, they complete the task in 9 days fewer than 'B' would need to ...
A team of 32 men and 28 women can complete a task in 60 days. When an additional eight men join the team, they are able to finish (4/5) of the same task...
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...
‘A’ and ‘B’ can do a piece of work in 20 days and 25 days, respectively. If they started the work together and worked on it for 4 days, then fin...
