1.   The calculus class is preparing for the Advanced Placement Exam. If there are 12 girls in a class of 20, how many study groups of 3 girls and 2 boys can be formed?
    A. 6160 B. 5670
    C. 110 D. 8395
    Hint
  2.   Find 12P4.
    A. 19,958,400 B. 95,040
    C. 42 D. 11,880
    Hint
  3.   Find 8P3.
    A. 24 B. 336
    C. 1,680 D. 21
    Hint
  4.   A briefcase combination lock contains 4 digits. Each digit is a number between 0 and 9. If each number can only be used once, what is the probability that all four digits are odd?
    A. B.
    C. D.
    Hint
  5.   How many different two-person teams can be made from 6 people?
    A. 30 B. 120
    C. 15 D. 360
    Hint

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