Mathematics
NULL
Medium
Question
Which number is wrong in the series 1, 1, 2, 6, 24, 96, 720?
A
6
B
24
C
96
✓ Official correct answer
D
720
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
6
No member explanations yet for this option.
B
24
No member explanations yet for this option.
C
96
No member explanations yet for this option.
D
720
No member explanations yet for this option.
Explanation
The pattern is factorials: 1, 1!, 2!, 3!, 4!, 5!, 6!. After 24 the next term should be 120, not 96.