Which number will replace the question mark (?) in the following series?
2430, ?, 270, 90, 30, 10
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 810.
Given series: 2430, ?, 270, 90, 30, 10
The series follows the pattern:
10 × 3 = 30
30 × 3 = 90
90 × 3 = 270
270 × 3 = 810
810 × 3 = 2430
So, the missing term in the series is 810.