CAT Exam > CAT Videos > Quantitative Aptitude (Quant) > Time & Work - 2
Time & Work - 2 Video Lecture | Quantitative Aptitude (Quant) - CAT
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FAQs on Time & Work - 2 Video Lecture - Quantitative Aptitude (Quant) - CAT
| 1. What is the formula to calculate work done in time and work problems? |  |
Ans.The formula to calculate work done is: Work = Time × Rate of Work. This means that the total work done can be determined by multiplying the time spent on the task by the rate at which work is being completed.
| 2. How do you determine the time taken to complete a task by multiple workers? | |
Ans.To determine the time taken by multiple workers, first find the individual work rates of each worker. Then, combine their rates to get the total work rate. The time taken to complete the task can be found using the formula: Time = Total Work / Total Work Rate.
| 3. What is the concept of 'man-hours' in time and work problems? | |
Ans.'Man-hours' refers to the total amount of work performed by a person in one hour. It helps in quantifying the work done by one or more workers. For example, if one worker can complete a job in 5 hours, the total work can also be expressed as 5 man-hours.
| 4. How can I solve a problem where one worker is faster than another? | |
Ans.To solve such a problem, determine the individual work rates of both workers. If Worker A can complete a task in less time than Worker B, calculate each worker's rate (1/task time) and then find the combined work rate. Use this to determine how long it will take for both to complete the task together.
| 5. What are some common mistakes to avoid in time and work problems? | |
Ans.Common mistakes include miscalculating the work rate, misunderstanding the total work required, and failing to convert units appropriately. It's also important to ensure that the time and work units are consistent throughout the problem.
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Nov 21, 2024 Last updated |
Video Description: Time & Work - 2 for CAT 2024 is part of Quantitative Aptitude (Quant) preparation.
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