SAT Math Multiple Choice Practice Question 456: Answer and Explanation

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Question: 456

18. S is the set of all positive numbers n such that n < 100 and is an integer. What is the median value of the members of set S ?

A. 5
B. 5.5
C. 25
D. 50
E. 99

Correct Answer: C


C First, you need to compute all possible values of n:

Now, be careful! The median value for is 5, but the median value for n is 25.

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