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The people in a room are lined up from youngest to oldest. The age of the first person is 15, and the each person thereafter is two years older than the previous person. What is the sum of ages?

  1. The number of people in the room is 37.
  2. The age of the last person is 87.
  • AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
  • BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
  • CBOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
  • DEACH statement ALONE is sufficient.
  • EStatements (1) and (2) TOGETHER are not sufficient.
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正确答案: D

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