Which of the following terms will replace the question mark (?) in the given series? PGLT, RHNU, TIPV, VJRW, ?
XKTX
Solving the Letter Series: PGLT, RHNU, TIPV, VJRW, ?
This question asks us to identify the pattern in the given series of four-letter terms and find the term that replaces the question mark.
The series is: PGLT, RHNU, TIPV, VJRW, ?
To solve this, we need to analyze the progression of letters in each position across the terms.
Analyzing the Pattern in Each Letter Position
Let's look at the first letter of each term:
- P (16th letter) to R (18th letter): This is a step of $+2$ letters.
- R (18th letter) to T (20th letter): This is a step of $+2$ letters.
- T (20th letter) to V (22nd letter): This is a step of $+2$ letters.
The pattern for the first letter is to move forward by 2 positions in the alphabet each time. So, the next first letter will be V $+ 2$ positions.
V is the 22nd letter. Moving 2 positions forward, we get the 24th letter, which is X.
Next, let's look at the second letter of each term:
- G (7th letter) to H (8th letter): This is a step of $+1$ letter.
- H (8th letter) to I (9th letter): This is a step of $+1$ letter.
- I (9th letter) to J (10th letter): This is a step of $+1$ letter.
The pattern for the second letter is to move forward by 1 position in the alphabet each time. So, the next second letter will be J $+ 1$ position.
J is the 10th letter. Moving 1 position forward, we get the 11th letter, which is K.
Now, let's look at the third letter of each term:
- L (12th letter) to N (14th letter): This is a step of $+2$ letters.
- N (14th letter) to P (16th letter): This is a step of $+2$ letters.
- P (16th letter) to R (18th letter): This is a step of $+2$ letters.
The pattern for the third letter is to move forward by 2 positions in the alphabet each time. So, the next third letter will be R $+ 2$ positions.
R is the 18th letter. Moving 2 positions forward, we get the 20th letter, which is T.
Finally, let's look at the fourth letter of each term:
- T (20th letter) to U (21st letter): This is a step of $+1$ letter.
- U (21st letter) to V (22nd letter): This is a step of $+1$ letter.
- V (22nd letter) to W (23rd letter): This is a step of $+1$ letter.
The pattern for the fourth letter is to move forward by 1 position in the alphabet each time. So, the next fourth letter will be W $+ 1$ position.
W is the 23rd letter. Moving 1 position forward, we get the 24th letter, which is X.
Summarizing the Letter Series Pattern
We can summarize the pattern for each position using the alphabetical order (A=1, B=2, ..., Z=26):
| Position | Term 1 (PGLT) | Term 2 (RHNU) | Term 3 (TIPV) | Term 4 (VJRW) | Pattern | Next Letter |
|---|---|---|---|---|---|---|
| 1st Letter | P (16) | R (18) | T (20) | V (22) | $+2$ | V $+ 2 =$ X (24) |
| 2nd Letter | G (7) | H (8) | I (9) | J (10) | $+1$ | J $+ 1 =$ K (11) |
| 3rd Letter | L (12) | N (14) | P (16) | R (18) | $+2$ | R $+ 2 =$ T (20) |
| 4th Letter | T (20) | U (21) | V (22) | W (23) | $+1$ | W $+ 1 =$ X (24) |
Following this pattern, the next term will consist of the next letters we found for each position: X, K, T, X.
The next term in the series is XKTX.
Revision Table: Key Concepts for Letter Series
| Concept | Description | Application in this question |
|---|---|---|
| Letter Positioning | Each letter corresponds to a number based on its position in the alphabet (A=1, B=2, etc.). | Used to determine numerical shifts (+1, +2) between letters. |
| Pattern Recognition | Identifying a consistent rule or sequence governing the change from one term to the next. | Recognized the $+2, +1, +2, +1$ pattern for the four letter positions. |
| Position-wise Analysis | Analyzing the pattern for each corresponding element (like letters in the same position) across the series terms independently. | Applied by analyzing the 1st letters together, 2nd letters together, and so on. |
Additional Information: Solving Reasoning Series Questions
Series completion questions in reasoning often involve finding patterns in sequences of numbers, letters, or figures. For letter series like PGLT, RHNU, TIPV, VJRW, ?, the key is to break down the series and look for patterns position by position.
- Assigning numerical values to letters (A=1, B=2, ...) can help make the pattern clearer, especially when the steps involve adding or subtracting a fixed number.
- Look for patterns that repeat, alternate, or progress incrementally.
- Sometimes the pattern might involve skipping letters or using the reverse alphabetical order.
- Practicing different types of series helps in quickly identifying common patterns.
Understanding these techniques is crucial for solving letter series and other logical reasoning problems effectively.
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Important Questions from Alphabet Series
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_ a _ b _ abaa _ bab _ abbSelect the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
Q _ P _ M _ A _ T _ Q A _ T M
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fill in the six blanks ( _ ) using one of the following given four choices such that the series follows a specific order.
