GMAT 考满分题库

Set S contains 4 numbers. The average of set S is 12. Exactly one number is added to set S, lowering the average of set S to 10. What is the number that was added to set S?
  • A–4
  • B–2
  • C0
  • D2
  • E4
显示答案
正确答案: D

讨论题目 或 发起提问

|

题目讨论

  • 按热度
  • 按顺序

最新提问