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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?
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 determines the next task in the time slice method of task swapping?
From the given below statements, find the incorrect statement. i. A critical path has zero float. ii. A critical path has both critical and non-critical activities. iii. A critical path is the longest path and consumes maximum time and resources.
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?
Which of the following statements are comes for Network Critical Path? 1. The path of critical activities, which links the start and end events is critical path 2. It is the path of activities having zero float 3. It is the path of events having zero slack 4. The sum of the duration of the critical activities along a critical path gives the duration of the Project
Consider the following statements for Euler’s equation to find the critical load of a column : 1. Critical load of a column is proportional to the flexural rigidity. 2. Critical load of a column depends upon yield stress. 3. Critical load of a column is inversely proportional to the length of the column. 4. Critical load of a column is inversely proportional to the square of the length of the column. Which of the above statements are correct?
In the two sets given below, Set – I specifies the methods of research while Set – Il describes the critical feature associated with a method of research. Match the two and select from the code to indicate your answer.   Set – I  (Research method)    Set – II (Critical features associated) (a)    Experimental method  (i)  Generalizing to the population from a large sample (b)  Ex post facto method   (ii)   Establishing the patterns of events which have happened, through primary and secondary sources (c)  Historical method   (iii)   Studying shared behaviour patterns (d)  Ethnographic method   (iv)   Establishing cause and effect through control       (v)    Probing into the causal factors from the observed effects 
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.