JEE Math Practice Question
Let $S$ be the set of all values of $a_1$ for which the mean deviation about the mean of 100 consecutive positive integers $a_1, a_2, a_3, \ldots ., a_{100}$ is 25 . Then $S$ is :
- A.$\{9\}$
- B.$\phi$
- C.$\{99\}$
- D.N
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