Verbal Reasoning - Series Completion - Discussion

Discussion Forum : Series Completion - Section 2 (Q.No. 1)
Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.


1.
1, 1, 2, 6, 24, ?, 720
100
104
108
120
Answer: Option
Explanation:

The pattern is x 1, x 2, x 3, x 4,.....

So, missing term = 24 x 5 = 120.

Discussion:
5 comments Page 1 of 1.

SHALINI said:   1 decade ago
1*1=1
1*2=2
2*3=6
6*4=24
24*5=120
120*6=720
(1)

MMB said:   1 decade ago
It is a factorial function.

0! = 1.
1! = 1.
2! = 2.
3! = 6.
4! = 24.
5! = 120.
6! = 720.
(2)

Tanmay said:   4 years ago
0!= 1,
1!= 1,
2!= 3,
3!= 6.
(3)

Poddar said:   4 years ago
Good one. Thanks for explaining the answer.
(3)

Gitanjali said:   3 years ago
1*1 = 1,
1*2 = 2,
2*3 =6,
6*4 = 24,
24*5 = 120,
120*6 = 720.
(7)

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