CAT 2020 Question Paper | Quants Slot 2

CAT Questions

Are you worried about preparing for the Quantitative Aptitude of the CAT exam?
It is better to understand what to expect in the CAT Question Paper before you start your CAT preparation online. We have analyzed CAT previous year paper to help you to understand the same. Visit 2IIM's CAT Blueprint to know more about the analysis and the type of questions you can expect in your CAT Exam.
Be prepared to face the googlies the CAT question paper throws at you by practicing CAT previous year paper. Start right now with this Time and Work question from CAT 2020 Question paper.

Question 22 : John takes twice as much time as Jack to finish a job. Jack and Jim together take one-thirds of the time to finish the job than John takes working alone. Moreover, in order to finish the job, John takes three days more than that taken by three of them working together. In how many days will Jim finish the job working alone?

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Video Explanation

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Explanatory Answer

John = x units/day
Jack = 2x units/day
Jim = x units/day (1/3rd of John does = 3x units, out of which jack does 2x)
Total = 4x units/day
John’s time taken = x(n+3) = 4x × n
Then n = 1 day for 4x units
For x units, Jim will take 4 days

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The answer is, " 4"

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