Amit and Braj together can complete a job in 12 days. Braj and Chinmay together can complete a job in 10 days.Amit and Chinmay can complete the same work in eight days Find the minimum time taken by them to complete twice the work if exactly two people works on any day and no one work on every 4th day.[ Note:A single person cannot take rest for 2 consecutive days and cannot work for 3 consecutive days]
Eight typists working for 9 hours a day can type a whole book in 20 days. In how many days can seven men working for 10 hours a day can type a text which is th of 1st book?
An ant climbs th part of remaining portion of a plant every hour and slips 20% of the total part climbed. Find the time taken by ant to reach at the top of plant.
Machine A, B, and C, working alone take 20,10 and 5 day to make 2000 bolts each. If the defect in their daily production is 4%,5% and 9% approximately respectively. Find number of days taken to produce 5000 defect less bolts when all the machines are working simultaneously.
Two men and seven boys can do a piece of work in 14 days, three men and eight boys can do the same in 11 days. Find the amount of time taken by eight men and six boys to complete three times the work?
If three men or 6 boys can do a piece of work in 10 days, working 7 hours a day, how many days will it take to complete a piece of work twice the original with six men and two boys working together for 8 hours per day?
A and B undertake a piece of work for Rs. 897. A alone can do it in 6 days while B can do it in 8 days. With the help of C, they finish it in 3 days. On the quality of their work, their wagers were distributed in ratio 3:3:2. Find the sum received by C.
Ramesh takes twice as much time as Manjar and thrice as much time as Suraj to complete a job. If working together, they can complete the job in 4 days,find the time taken by Manjar to complete the work.
Arvind can do a piece of work in 10 days and Bhupesh in 20 days. They work together but 2 days before the completion of the work, Arvind leaves. In how many days was the work completed?
A and B can do a piece of work in 8 and 10 days respectively. If they work on alternate days with A beginning the work on Monday and both not working on Sundays. Find the total number of days after which the task got completed .
A and B can do a piece of work 10 days. B and C can do it in 15 days. If A is twice as good as C, find in what time B alone can do the total work?
3 boys and 4 girls can dig 3780 of earth in 7 days. 11 boys and 13 girls can dig 15040 in 8 days. In what time will 7 boy and 9 girls can dig 12400 earth?
