Class Name: Placement Readiness Online Aptitude Crash Course
Class Session: Time & Work
Total Questions: 25 | Duration: 30 Mins
Rani takes 8 hours to do a job. Janu takes 10 hours to do the same job. How long should it take, both Rani and Janu working together but independently to do the same job?
A can do a work in 30 days while B can do it in 40 days. In how many days A and B working together do it?
Workers Anu and Banu can do a piece of work in 72 days; Banu and Charu can do it in 120 days; Anu and Charu can do it in 90 days. In what time Anu alone can do it?
Muthu and Mathy can alone do a holiday assignment in 25 and 30 days respectively. They work together for 5 days and then Muthu leaves due to his illness. Mathy finishes the rest of the assignment in how many days?
Jeeva works twice as fast as Ragu. If Jeeva can complete a job in 12 days, then in how many days can Jeeva and Ragu together finish the job?
If 7 labours can do a job in 3 days and 3 labours can do it in 7 days, then 21 labours can take how many days?
Raja can eat 50 chocolates in 4 hours and Ramu can eat 42 chocolates in 6 hours. If both of them start together, then what is the total time required to eat 507 chocolates?
Akil alone can complete a work in 8 days and Balu alone can complete a job in 10 days. Starting with Akil, they work on alternate days. The total work will be completed in ____
Seven workers can complete a work in 12 days. They started the work and after 5days, two men left. In how many days will the work be completed by the remaining workers?
Six girls can complete a work in 16 hours. How many hours will 8 girls can complete the same piece of work?
40 workers can build a pillar 200 m long in 12 days, working 8hours a day. What will be the number of days that 30 men will take to build a similar wall 300m long working 6 hours a day?
Kathir has done 1/3 of a job in 8 days, Suri completes the rest of the job in 8 days. In how many days could Kathir and Suri together have completed the work?
In a camp, 95 soldiers had provisions for 200days. After 5 days, 30 men left the camp. For how many days will the remaining food last now?
If Prasanth can do 1/4 of a work in 3 days and Abilash can do 1/6 of the same work in 4 days, how much will Prasanth get if both work together and paid 180 in all?
Three machines A, B and C working together can do a job in 'Y' hours. When working alone, A needs an additional 6 hours to do the job; B alone needs 1 additonal hour;and C alone needs 'Y' additional hours. Find the value of X.
Vetri does 20% less work than Gautham .If Vetri can complete the work in 7 1/2 hours, then Gautham can do it in _____
Construction of a building was entrusted to a civil engineer. He has to finish the work in 124 days for which he employed 120 workmen. In 64 days, two thirds of the work was completed. How many workmen can be reduced now without affecting the completion of work on time?
Nandini is three times as fast as Malar and is able to complete the work in 40 days less than Malar. Then the time in which they can complete the work together is____
4 girls can do a piece of work in 8 days, 3 boys can complete the same work in 9 days, 7 men in 2 days and 5 women in 4 days. Who among them have the minimum capacity of work?
400 persons working 9 hours per day complete 1/4 of the work in 10 days. The number of additional persons, working 8 hours per day, required to complete the remaining work in 20 days is ____
Five workers can complete a work in 24 days. In how many days will 12 workers complete the same work?
If the work done by 8 men and 4 boys in 1 day is 7 times the work done by 1 man and 1 boy, then compare the work done by 1 man and 1 boy in 1 day.
A task can be completed by A and B in 12 days, B and C in 15 days, C and D in 20 days. In how many days A alone can finish the work?
Rita, Sita, Mala are employed to do a piece of work for Rs.529. Rita and Mala together are supposed to do 19/23 of th work. What should Sita be paid?
A girl, a boy and a man can complete a job in 3, 4 and 12 days respectively. How many man must assist 1 girl and a boy to complete the job in one and a half day?