Multiple choice Directions: Complete the following number series: 2, 4, 24, 192, 1920, ? 17280 26880 23040 21120 None of these Reveal answer Fill a bubble to check yourself C Correct answer Explanation On multiplying the given numbers by even numbers 2, 4, 6, 8, 10 and so on. So, the correct next number is 1920 x 12 = 23040.