Find the missing term in the following series.

1)

1, 1, 2, 6, 24, ?, 720


A) 100

B) 104

C) 108

D) 120

Answer:

Option D

Explanation:

The pattern is x 1, x 2, x 3, x 4, .... So, missing term = 24 x 5 = 120.

Hence te answer is (d).