3
Which number would come in place of the underline mark in the series.
2, 10, 40, 120, ____
Explanation:
Here the series is a multiplication series.

The order of the multiplication is ×5, ×4, ×3, ×2

2 × 5 = 10; 10 × 4 = 40; 40 × 3 = 120

∴ 120 × 2 = 240
