CAT Exam > CAT Videos > Quantitative Aptitude (Quant) > Introduction: Time & Work
Introduction: Time & Work Video Lecture | Quantitative Aptitude (Quant) - CAT
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FAQs on Introduction: Time & Work Video Lecture - Quantitative Aptitude (Quant) - CAT
| 1. What is time and work in mathematics? |  |
Ans. Time and work is a mathematical concept that deals with calculating the amount of time required to complete a task or project when different individuals or machines work together at different rates.
| 2. How do you calculate the efficiency of a worker in time and work problems? | |
Ans. The efficiency of a worker can be calculated by dividing the work done by the worker by the time taken. For example, if a worker completes 60 units of work in 8 hours, the efficiency would be 60 units of work divided by 8 hours, which equals 7.5 units of work per hour.
| 3. What is the formula for solving time and work problems? | |
Ans. The formula for solving time and work problems is Work = Rate × Time, where Work represents the total amount of work to be done, Rate represents the rate at which the work is being done, and Time represents the time taken to complete the work.
| 4. How do you calculate the total work done when multiple workers are involved in a time and work problem? | |
Ans. To calculate the total work done when multiple workers are involved, you can either add up the individual work done by each worker or use the formula Total Work = (1/Time1) + (1/Time2) + (1/Time3) + ... + (1/TimeN), where Time1, Time2, Time3, etc. represent the time taken by each worker to complete the work.
| 5. Can time and work problems be solved using ratios? | |
Ans. Yes, time and work problems can be solved using ratios. By setting up ratios between the rates of different workers or machines, you can determine their relative efficiencies and calculate the time required to complete the work when they work together.
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Dec 22, 2024 Last updated |
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