Analyzing the Letter Series N, L, J, H, ?

This question asks us to find the missing letter in a given series: N, L, J, H, ?. To solve letter series problems, we need to identify the pattern or rule that connects consecutive letters.

Identifying the Pattern in the Letter Sequence

Let's look at the position of each letter in the English alphabet:

• A is 1st
• B is 2nd
• ...
• H is 8th
• ...
• J is 10th
• ...
• L is 12th
• ...
• N is 14th
• ...
• Z is 26th

Now, let's write down the given series and their corresponding alphabetical positions:

Observe the alphabetical positions: 14, 12, 10, 8. We can see a clear pattern here.

• From N (14) to L (12): The position decreases by 2 ($14 - 12 = 2$).
• From L (12) to J (10): The position decreases by 2 ($12 - 10 = 2$).
• From J (10) to H (8): The position decreases by 2 ($10 - 8 = 2$).

Applying the Pattern to Find the Missing Letter

The pattern is that each letter's alphabetical position is 2 less than the previous letter's position. To find the missing letter, we apply this pattern to the last given letter, H, which has an alphabetical position of 8.

The position of the missing letter will be:

$8 - 2 = 6$

Now, we find the letter that corresponds to the 6th position in the English alphabet.

The 6th letter is F.

Therefore, the missing letter in the series N, L, J, H, ? is F.

Verifying the Solution

The completed series is N, L, J, H, F. Let's check the positions:

The pattern of decreasing the alphabetical position by 2 holds true throughout the series. Thus, F is the correct missing letter.

Revision Table: Letter Series N, L, J, H, ?

Additional Information on Letter Series Reasoning

Letter series questions are common in reasoning and aptitude tests. They test your ability to identify logical patterns in sequences of letters. Common patterns include:

• Adding or subtracting a fixed number from the alphabetical position (like in this example).
• Adding or subtracting an increasing or decreasing number.
• Alternating patterns (e.g., +2, -1, +2, -1...).
• Skipping letters (e.g., skipping one letter, then two, etc.).
• Patterns based on vowels and consonants.
• Reversing the alphabet or parts of it.
• Combinations of these patterns.

To improve your skill in solving letter series, practice identifying the alphabetical position quickly and look for differences or ratios between consecutive terms. Sometimes, writing down the positions above the letters can make the pattern more obvious.