Problem of the Day


The mean of a set of n consecutive positive integers is m_1. One of the integers is removed from the set to create a new set of positive integers with a mean of m_2. Is n even?

(1) m_1=m_2

(2) The least element of the original set of integers is odd.

Reveal Answer

Answer

A. Statement 1 alone is sufficient, but Statement 2 alone is not sufficient.

See the Solution

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