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  1. G

    should I go for business studies or economics as main for a subject combination in HSC?

    I think it really depends what you are more interested in. Personally, i do both so i will give a brief description of each subject to help you chose. Business studies, in year 12, focuses on the 4 key business function, being Operations, Finance, HR and Marketing. Essentially you are learning...
  2. G

    Tricks in permutation and cominations

    Sorry misread! It’s not a probability question. Oops! Then it becomes 11!/(2x2!x2!x2!).
  3. G

    Tricks in permutation and cominations

    Well the “S” can occur either before or after the “H” making the probability 1/2.