GRE Problem Solving Question 104

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Source: OG2

A reading list for a humanities course consists of 10 books, of which 4 are biographies and the rest are novels. Each student is required to read a selection of 4 books from the list, including 2 or more biographies. How many selections of 4 books satisfy the requirements?

  • A 90
  • B 115
  • C 130
  • D 144
  • E 195

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