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1963 AMC 12 Question 11

AMC12 · 1963 AMC 12

Question 11

The arithmetic mean of a set of $50$ numbers is $38.$ If two numbers of the set, namely $45$ and $55,$ are discarded, the arithmetic mean of the remaining set of numbers is:
  1. $38.5$
  2. $37.5$
  3. $37$
  4. $36.5$
  5. $36$