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Time & Work Questions for CAT with Answers PDF

This EduRev document offers 10 Multiple Choice Questions (MCQs) from the topic Time & Work (Level - 1). These questions are of Level - 1 difficulty and will assist you in the preparation of CAT & other MBA exams. You can practice/attempt these CAT Multiple Choice Questions (MCQs) and check the explanations for a better understanding of the topic. 

Question for Practice Questions Level 1: Time & Work - 1
Try yourself:A and B can do a piece of work in 10 days and A alone can do it in 15 days. In how many days can B alone do it?  
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Question for Practice Questions Level 1: Time & Work - 1
Try yourself:20 men can complete a work in 50 days, working for 5 hours a day. After 15 days from the start of work, 10 men quit. How many hours per day do the remaining men have to work so as to complete the work on time?  
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Question for Practice Questions Level 1: Time & Work - 1
Try yourself:A contractor employs 200 men to build a dam. They finish 5/6 part of the work in 10 weeks. Due to rain, the work remains suspended for 4 weeks and also half of the work already done is washed away. When the work is resumed, only 140 men turn up. The total time in which the contractor is able to complete the work is (Assuming there are no further disruptions)  
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Question for Practice Questions Level 1: Time & Work - 1
Try yourself:A contractor was asked to build a garage. He employed a number of men of equal efficiency. They could finish the job in 6 hours if they worked simultaneously, but he told them to begin one after the other, such that the intervals between their starting times should be equal. After the last worker had begun working, a time interval of the same length elapsed and the job was finished. Each one of the workers worked till the completion of the job. If the first man to begin worked 5 times as long as the last one to begin, in how many hours was the garage built?
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Question for Practice Questions Level 1: Time & Work - 1
Try yourself:An inlet pipe A lets water in a tank at 2 litres per minute and another pipe B lets water in at 3 litres per minute. There is an outlet pipe at the bottom, which can empty the tank in 10 hours. If all the three pipes were kept on, then the tank would be filled in 8 hours. What is the capacity of the tank?
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Question for Practice Questions Level 1: Time & Work - 1
Try yourself:Tap 'x' can fill the tank in 8 hours. Tap 'y' can empty it in 12 hours. Both the taps were opened for 4 hours and then, tap 'y' was closed. How much more time will it take to fill the tank completely?
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Question for Practice Questions Level 1: Time & Work - 1
Try yourself:Water flows from a pipe of sectional area 500 cm2 at the rate of 8 m/min. How long would it take to fill a tank whose dimensions are 6 m × 4 m × 4 m?  
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Question for Practice Questions Level 1: Time & Work - 1
Try yourself:A and B, working 8 hours a day, can do a piece of work in 20 days and 30 days, respectively. On weekends, they work for only 1 hour and on weekdays, they work for 4 hours. If they start working together on Sunday, then on which day will they finish the task? (Assume that weekend includes Saturday and Sunday)  
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Question for Practice Questions Level 1: Time & Work - 1
Try yourself:P can do a piece of work in 80 days. He works at it for 10 days and then Q alone finishes the remaining work in 42 days. The two together would have completed the work in  
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Question for Practice Questions Level 1: Time & Work - 1
Try yourself:A group of 60 men can complete a piece of work in a certain number of days. If 10 more men join them, then the work can be completed in 8 days less. How many days will be required to complete the same work by 100 men?
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FAQs on Time & Work Questions for CAT with Answers PDF

1. How do you calculate time and work in CAT?
Ans. To calculate time and work in CAT, you need to understand the basic concept of work done. The formula to calculate work done is Work = Time * Efficiency. By using this formula, you can calculate the time taken to complete a job or the number of workers required to finish a task in a given time.
2. What are the different types of time and work problems asked in CAT?
Ans. In CAT, time and work problems can be categorized into various types. Some common types include problems on work efficiency, problems involving multiple workers, problems with different work rates, and problems with work completed in fractions.
3. How can I improve my speed in solving time and work problems for CAT?
Ans. To improve your speed in solving time and work problems for CAT, you can follow these tips: - Practice regularly to enhance your understanding of the concepts and improve your problem-solving skills. - Memorize the basic formulas and shortcuts related to time and work problems. - Break down complex problems into smaller, more manageable parts. - Learn to identify the key information and eliminate unnecessary details in the problem statement. - Work on time management to ensure you allocate sufficient time to each question during the exam.
4. Can you provide an example of a time and work problem frequently asked in CAT?
Ans. Sure! Here's an example: A and B can complete a task in 10 days working together. If A can complete the task alone in 20 days, how many days will it take for B to complete the task alone? To solve this problem, we can use the formula: (A * B) / (A + B). Plugging in the given values, we get (20 * B) / (20 + B) = 10. By solving this equation, we can find the value of B and determine the number of days required for B to complete the task alone.
5. Are there any shortcuts or tricks to solve time and work problems quickly in CAT?
Ans. Yes, there are some shortcuts and tricks that can help you solve time and work problems quickly in CAT. One such shortcut is the concept of work rates. If A can complete a task in X days and B can complete the same task in Y days, then their work rates are 1/X and 1/Y respectively. By using these work rates, you can easily determine the time taken or work done by each person when they work together or individually. Additionally, practicing with previous year CAT papers and mock tests can also help you develop better problem-solving strategies and improve your speed.
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