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Quantitative Methods Q192

192The number of ways to select 3 stocks from a universe of 10 stocks, given that the order does not matter, is most likely:
  • Option : B
  • Explanation : Use the combination formula since the order of selection does not matter. Number of ways = n! / [ r! (n - r)! ] = 10! / [3! (10 - 3)! ] = 120. You may also use the nCr function on the calculator. Note that r is the number of stocks to be selected and n is the total number of stocks.
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