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Reciprocals & LCM Method: Time & Work Video Lecture | CSAT Preparation - UPSC
FAQs on Reciprocals & LCM Method: Time & Work Video Lecture - CSAT Preparation - UPSC
| 1. How can reciprocals be used in solving time and work problems? |  |
Ans. Reciprocals can be used in time and work problems to represent the fraction of work done in a unit of time. By calculating the reciprocal of the time taken to complete a task, one can determine the fraction of work completed in one unit of time.
| 2. How can the LCM method be applied to time and work problems? | |
Ans. The LCM method can be applied to time and work problems by finding the least common multiple of the time taken by each person to complete the task. This will help in determining the time taken when all the people work together.
| 3. How can one calculate the total work in a time and work problem? | |
Ans. The total work in a time and work problem can be calculated by multiplying the rate at which each person can complete the task by the total time taken by all the people working together.
| 4. How do reciprocals help in determining the efficiency of each person in a time and work problem? | |
Ans. Reciprocals help in determining the efficiency of each person in a time and work problem by representing the fraction of work done by each person in one unit of time. By calculating the reciprocal of the time taken by each person, one can determine their efficiency.
| 5. How can the concept of reciprocals and LCM be combined to solve complex time and work problems? | |
Ans. The concept of reciprocals and LCM can be combined by using reciprocals to represent the efficiency of each person and then finding the LCM of the reciprocals to determine the time taken when all the people work together. This approach can help in solving complex time and work problems efficiently.
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