An analyst will recommend a combination of 2 industrial stocks, 2 transportation stocks, and 1 utility stocks. If the analyst can choose from 6 industrial stocks, 5 transportation stocks, and 3 utility stocks, how many different combinations of 5 stocks are possible?\nOptions:\n(A) 12\n(B) 460\n(C) 60\n(D) 450\n(E) 720 OK. Let's think. Some random thoughts first:
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6C2 * 5C2 * 3C1 = 15*10*3 = 450. The answer: (D).
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