GMAT 考满分题库

Magoosh - 数学DS - 15
Bill took 4 math tests, and each test received a score out of 100. What was Bill`s average (arithmetic mean) score for all 4 tests?

(1) Bill`s first 3 tests received an average score of 50.

(2) Bill`s last 2 tests received an average score of 50.
  • AStatement 1 ALONE is sufficient to answer the question, but statement 2 alone is NOT sufficient.
  • BStatement 2 ALONE is sufficient to answer the question, but statement 1 alone is NOT sufficient.
  • CBOTH statements 1 and 2 TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient.
  • DEach statement ALONE is sufficient to answer the question.
  • EStatement 1 and 2 TOGETHER are NOT sufficient to answer the question.
显示答案
正确答案: E

讨论题目 或 发起提问

|

题目讨论

  • 按热度
  • 按顺序

最新提问