CAT 2021 Exam Question Papers Slot 1 | CAT Quants

CAT Quantitative Aptitude | CAT 2021 Question Papers

CAT Question Papers: Solving CAT Question Papers from prior years will give CAT 2022 applicants invaluable insight into the examination format, question pattern, and level of difficulty. The CAT 2021 exams were held in three slots.
It is important for CAT preparation to examine old CAT Exam, Question Paper. In order to overcome the difficulties, they encounter when preparing for the CAT, aspirants must use a variety of strategies.


  • By solving CAT Exam previous year question papers, aspirants learn about their own strengths and weaknesses. This allows them to plan their preparation accordingly.
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The best resource for CAT preparation is CAT question papers. Solving previous year’s CAT question papers helps candidates understand the CAT Exam Pattern, types of questions, question weightage, important topics, etc.

All CAT 2021 Quantitative aptitude questions have detailed answer keys and solutions provided by our experts. Watch the videos below to learn the fastest ways to answer the questions:


Amar, Akbar and Anthony are working on a project. Working together Amar and Akbar can complete the project in 1 year, Akbar and Anthony can complete in 16 months, Anthony and Amar can complete in 2 years. If the person who is neither the fastest nor the slowest works alone, the time in months he will take to complete the project is


    If Amar, Akbar and Anthony, working alone, complete the project in m, k and n months respectively, it is given that

    1/m + 1/k  = 1/12     …….(1)

    1/k + 1/n   = 1/16      ……(2)

    1/n + 1/m  = 1/24      ……(3)

    The person who is neither the fastest nor the slowest must appear in both the slowest and the fastest, i.e., in equations (3)  and  (1). So, Amar is neither the slowest

    Adding the equations, we get

    2 ( 1/m + 1/k + 1/n)  = 1/12 + 1/16 + 1/24 = (4 + 3 + 2)/48

                                         = 9/48  = 3/16

             => 1/m + 1/k + 1/n   = 3/32                 …..(4)

             Subtracting equation (2) from (4),

             1/m = 3/32 – 1/16 =1/32

             m = 32

    Ans :(32)

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