Multiple choice Directions: Complete the following number series. 10, 60, 720, 14400, ? 432000 360000 345600 216000 504000 Reveal answer Fill a bubble to check yourself A Correct answer Explanation The pattern of the given number series is 5 x 1 x 2 = 10, 10 x 2 x 3 = 60, 60 x 3 x 4 = 720 and so on. So, the next term is 14400 x 5 x 6 = 432000.