Question
If 3 men can finish a task in 4 days, and 4 women can
complete the same task in 9 days, how many days will it take for a team of 2 men and 6 women working together to complete the task?Solution
Time taken by 2 men to complete the work = (3 Γ 4)/2 = 6 days Time taken by 6 women to complete the work = (4 Γ 9)/6 = 6 days Therefore, required time = (6 Γ 6)/(6 + 6) = 36/12 = 3 days
Aβ and βBβ together can complete a work in 20 days while βAβ takes 25 days to complete the same work alone. If βCβ is 60% more efficient t...
βAβ and βBβ can complete a certain work in 16 days and 32 days, respectively. They started working together and worked till completion of the wo...
'B' can complete a task in 15 days, and when 'A' and 'B' collaborate, they can finish the same task in 8 days. 'A' initiated the work alone and worked f...
βAβ and βBβ can do a piece of work in 15 days and 20 days, respectively. They started working together but βAβ left after 3 days. Find the t...
A and B together can complete a work in 15 days, while B and C together can complete the same work in 20 days. If A, B, and C together can complete the ...
12 man can make a wall in 5 days. How many men required to complete the same work in 6 days ?
P, Q and R can finish a job in 45 days, 60 days and 90 days respectively. P and Q work together for 12 days. How long will R take to finish the leftover...
A alone work for 6 days then left the work and B alone finishes remaining work in 12 days. If ratio of time taken by A alone to B alone to finish work ...
- A contractor is hired to complete a road in 40 days and initially employs 40 workers. After 24 days, he realizes that only one-third of the work has been c...
Sushil can type 40 lines in 20 minutes but he leaves 8% margin on each line. In how much time he will type 46 pages with 80 lines on each page in which...