An analyst will recommend a combination of 2 industrial stocks, 2 transportation stocks, and 2 utility stocks. If the analyst can choose from 6 industrial stocks, 5 transportation stocks, and 4 utility stocks, how many different combinations of 6 stocks are possible?
Select: A) 1200 B) 900 C) 600 D) 180 E) 720
6C2 * 5C2 * 4C2 = 15*10*6= 
<gadget id="calculator">15*10*6</gadget>
<output>900</output>
900.   Answer: 600
<result>C</result>
An analyst will recommend a combination of 2 industrial stocks, 2 transportation stocks, and 2 utility stocks. If the analyst can choose from 6 industrial stocks, 5 transportation stocks, and 4 utility stocks, how many different combinations of 6 stocks are possible?