Related Questions

If Arif works alone he will take 20 more hours to complete a task than if he works with Babu to complete the task. If Babu work alone, he will take 5 more hours to complete the task than if he works with Arif to complete the task. What is the ratio of the time taken by Arif to than taken by Babu if each of them works alone to complete the task?
A 2 : 1
B 5 : 3
C 7 : 5
D None of these
What is the meaning of ' Herculean task'?
A A very good task
B A very difficult task
C An important task
D None of above
What is the meaning of 'Herculean task'?
A task which is enormous but futile
B task which needs the knowledge of Roman myth
C task which needs the knowledge of Greed myth
D task which needs great strength and determination
What do you mean by a 'herculean job'?
A A very interesting job
B A very easy job
C A very comfortable job
D A very difficult job
Rakib can complete a task in 30 minutes, and together with his brother Momin, he can complete the task in 20 minutes. How long would it take for Momin working alone to complete the task?
A 30 minutes
B 40 minutes
C 50 minutes
D 60 minutes
If 12 man work on a particular task. It takes them 24 days to complex it. On the other hand 12 women can complete the same task in 12 days. How many days would it take if the 12 man and 12 women complete with each othre to finish the same task?
A 5 days
B 6days
C 8 days
D 16 days
A and B can complete a task in 12 days. However, A had to leave a few days before the task was completed and hence it took 16 days in all to complete the task. If A alone could complete the work in 21 days, how many days before the work getting over did A leave?
A 7
B 5
C 9
D 3
A can complete a task alone in 8 days, while B takes 12 days to do it by herself. Together with C it takes them 4 days to complete the work. If C and D together can complete the task in 15 days, then how many days will D need to complete the task by herself?
A 36
B 32
C 40
D 30
Rumi and Rony can finish a task, working together, in 12 days. If Rony alone can finish that in 20 days, how many days will Rumi need to finish the task working alone ?
A 30
B 20
C 25
D 33
Siam needs m minutes to do a task. After he works for k minutes, what part of the task remains incomplete?
A k/m
B m/k
C (m-k)/m
D none

Next steps