Find the missing character?

The correct answer is C. N.

The missing character is the one that completes the following pattern:

• The first letter of each month of the year is followed by the number of days in that month.
• The letters are in alphabetical order.
• The numbers are in ascending order.

The first letter of each month of the year is:

• January: J
• February: F
• March: M
• April: A
• May: M
• June: J
• July: J
• August: A
• September: S
• October: O
• November: N
• December: D

The number of days in each month is:

• January: 31
• February: 28 (29 in leap years)
• March: 31
• April: 30
• May: 31
• June: 30
• July: 31
• August: 31
• September: 30
• October: 31
• November: 30
• December: 31

The letters in alphabetical order are:

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
• T
• U
• V
• W
• X
• Y
• Z

The numbers in ascending order are:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

The only letter that is not in the pattern is N.