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A student picks 5 of 8 elective courses, and 2 particular courses are compulsory for her. How many choices of courses does she have?

Competition practicePermutations & Combinations
  • A56
  • B10
  • C6
  • D20

Step-by-Step Solution

The 2 compulsory courses are in. Pick the other 3 from the remaining 6: ignores the rule.)
Answer: D) 20

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