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A pattern built on cubes runs 6, 25, 62, ?, 214, 341. What is the missing number?

Competition practiceNumber Series

A123
B125
C121
D127

Step-by-Step Solution

Each term is a cube minus 2:

2^{3} - 2, 3^{3} - 2, 4^{3} - 2, 5^{3} - 2 = 123, 6^{3} - 2 = 214, 7^{3} - 2 = 341

.

Answer: A) 123

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