There are 4 sections with 7 questions each. If three questions are selected from each section, the chance of getting different questions is________ Choose the correct choice:
A) 23456
B) 45678
C) 42875
D) 40000
E) 16000
we have to select three questions from each section so the chances are 7C4. 7428754.7428754=42875   ANSWER:42875
<result>C</result>
There are 4 sections with 7 questions each. If three questions are selected from each section, the chance of getting different questions is________