Which number will replace the question mark (?) in the following series?
6, 24, 60, 120, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 210.
23 - 2 = 6, 33 - 3 = 24, 43 - 4 = 60, 53 - 5 = 120, 63 - 6 = 210