1, 9, 65, 457, ?
Show answer & explanation
Correct answer: C
Explanation
The given number series follows the pattern: (Previous number × 7) + 2
• 1 × 7 + 2 = 9
• 9 × 7 + 2 = 65
• 65 × 7 + 2 = 457
• 457 × 7 + 2 = 3201
Therefore, the missing number is 3201.