For positive integers n, solve 2n - 1 ≤ 10 and 3n + 2 > 8.
A{2, 3, 4, 5}
B{3, 4, 5}
C{3, 4, 5, 6}
D{2, 3, 4}
Answer & Solution
Correct answer: B. {3, 4, 5}
The first condition gives n ≤ 5.5 and the second n > 2, leaving 3, 4 and 5.
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