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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 and B together can complete a task in 40 days. B and C together can complete the same task in 50 days. A and C together can complete the same task in 60 days. What is the respective ratio of the number of days taken by A when completing the same task alone to the number of days taken by C when completing the same task alone?
A and B together can complete a task in 20 days. B and C together can complete the same task in 25 days. A and C together can complete the same task in 30 days. What is the respective ratio of the number of days taken by A when completing the same task alone to the number of days taken by C when completing the same task alone?
In a press there are three types of printing machines A, B, and C. Machine A can print ten thousand pages in 8 hours, machine B can do the same task in 10 hours, and machine C can do the same task in 12 hours. All three machines start the task at 9∶00 a.m. Machine A breaks down at 11∶00 a.m. and machines B and C continue working. At 12∶00 noon machine B also breaks down and machine C alone has to complete the remaining task. What is the approximate time of completion of the task?
Which of the following statement is true?
1. Human resource management is a strategic management function.
2. Under Human resource management employee is treated as a resource.
3. Human resource management is the management of employee's skills talents and abilities.
4. Human resource management function is treated as only an auxiliary.
Ravi and Kamal together can complete a task in 60 days, they start work together and after 46 days Kamal left the task and whole task completes in 66 days. Find the days in which Kamal alone can complete 60% of whole task? 
Four persons, P, Q, R, S were engaged for doing a task, with the condition that P; Q; R; S work, respectively, on (Mondays, Thursdays); (Tuesdays. Fridays); (Wednesdays, Saturdays); (Sundays). The task was began on a Monday, and got completed on the 15th day, which was also a Monday. If the efficiencies of P, Q, R, S in respect of doing this task were in the proportion 1 : 2 : 3 : 4, then in how many days could R complete the task, working alone without break?
In a team of 2 women Anita and Shivika, the former is 12.5% more efficient than the latter and completes a task in 37 hours. They both start the task together, but Anita faints after working for 15 hours and the rest of the task is completed by Shivika alone at 1/4 times her efficiency. Find the total time in which this team will complete the task.
A can complete 25% of a task in 10 days. B can complete 40% of the task in 40 days and C can complete \(\frac{1}{3}\) of the task in 13 days. Who among them has the fastest speed to complete the same task?
X did a task for 24 days and left in incomplete. He could have finished the task all by himself in a total of 36 days. Y, who can finish the task alone in 18 days, will take how many more days to complete the task?