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The series 0, 3, 8, 15, 24, ? follows a fixed rule. What replaces the question mark?

Competition practiceNumber Series

A35
B33
C36
D34

Step-by-Step Solution

Terms are

n^{2} - 1

for

n = 1

, 2, 3, …: the sixth term is 36 − 1 = 35 (differences 3, 5, 7, 9, 11).

Answer: A) 35

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