CAT 2020 Time and Work Question (Hard)

Question

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 fini

Optima Learn · Accepted Answer

Step 1 Let Jack take x days to finish the job. Then John takes 2x days. Jack and Jim together take 2x 3 days. Work per day Jack 1 x John 1 2x Jack Jim 3 2x So Jim 3 2x 1 x 3 2 2x 1 2x So Jim also takes 2x days same as John. Step 2 All three together Jack Jim John 1 x 1 2x 1 2x 1 1 2 1 2 x 2 x So tim

CAT 2020 Time and Work — Previous Year Question

CAT 2020

Quantitative

Time and Work

Hard

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