Directions: Pick the correct options from below.
9, 63, 217, ?, 1001, 1727
Show answer & explanation
Correct answer: B
Explanation
Given sequence: 9, 63, 217, ?, 1001, 1727
Pattern: each number relates to cubes:
23+1=8+1=9
43-1 = 64-1=63
63+1=216+1=217
83-1=512-1=511(Missing term)
103+1= 1000+1 = 1001
123-1=1728-1=1727
Hence, the correct answer is option (2).