8 thoughts on “CAT 15 Lead-up – 18

  1. Sir, In a que, In how many ways can 8 students sit around 2 circular tables located in 2 different rooms such that 4 students sit around each table, we are dividing 8 different students in 2 groups of 4 each and these two groups again are different as said in que. So, this should be 8!/4!4! only no? where m going wrong in my thinking as it is not matching to the correct answer where my answer further divisible by 2!.

    Regards,
    Renu

  2. Very probably not, I’m afraid. I don’t really have anything fancy and new to say (and even the pattern seems unlikely to change so strategy also doesn’t alter markedly).

    regards
    J

  3. Understood, It’s just that I would really like some notes and tricks on the questions based on Quadratic equations and common roots, things like that.That’s all but all the stuff on this blog is mighty impressive! I have cleared so many concepts and learnt so much, its a gift! Thanks a lot J,

    You the man!

    P.S I think I met you once in Pune when you came for a seminar at (Symbiosis) but i doubt you will remember 😛

  4. love this blog , but m facing problem in mathematics. i understand the questions but get panic guessing whether i would to solve it in right way or i will end up wasting my time. please guide how to approach an question.
    thank you

    • Sounds more like a mindset issue than a maths one. First step – start believing in yourself. Second step – don’t fall in love with a problem. When you see a problem, give yourself 20-30 seconds. If in that time you have understood and been able to make a start on the problem, then continue. If after 30 seconds you have made no progress, just leave it and move on. Tell yourself “I will come back later”. The best advice for CAT I ever heard is from the Hitchhiker’s Guide – “Don’t panic!”

      regards
      J

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