What number should replace the question mark in the train sequence?
Correct answer: 2160
Explanation:
The sequence is 3, 6, 18, 72, 360, ?.
Each number is multiplied by an increasing number:
3 × 2 = 6
6 × 3 = 18
18 × 4 = 72
72 × 5 = 360
So the next step is to multiply by 6:
360 × 6 = 2160
Therefore, the missing number is 2160.
Finall answer to this puzzle: 2160
