Select the combination of letters that when sequentially placed from left to right in the blanks of the given series will complete the letter series.
C _ _ B A C C _ _ A C C D _ _ C _ D _ A
Letter Series Pattern Analysis
The goal is to find the correct sequence of letters to fill in the blanks within the given letter series, making it follow a logical pattern.
Series Structure Overview
The provided letter series is:
C __ __ B A C C __ __ A C C D __ __ C __ D __ A
This series contains 8 blanks that need to be filled using the letters from the correct option.
Identifying the Correct Letter Combination
The correct combination of letters that fits into the blanks is CDDBBACB.
Step-by-Step Filling of Blanks
We place the letters from CDDBBACB into the blanks sequentially from left to right:
- The 1st blank is filled with 'C'.
- The 2nd blank is filled with 'D'.
- The 3rd blank is filled with 'D'.
- The 4th blank is filled with 'B'.
- The 5th blank is filled with 'B'.
- The 6th blank is filled with 'A'.
- The 7th blank is filled with 'C'.
- The 8th blank is filled with 'B'.
After filling the blanks, the complete series appears as:
C C D B A C C D B A C C D B A C C D B A
Discovering the Underlying Pattern
Observing the completed series reveals a clear pattern. The series is formed by the repetition of a 5-letter block.
The repeating block is: CCDBA.
The completed series consists of four repetitions of this block:
CCDBACCDBACCDBACCDBA
Mapping the Pattern to the Original Structure
Let's verify how the repeating block CCDBA fits into the original series structure, using the letters from CDDBBACB to fill the blanks:
| Segment | Original Series Segment | Required Block | Blanks Filled (from CDDBBACB) | Result |
|---|---|---|---|---|
| 1 | C __ __ B A |
C C D B A |
1st, 2nd letters = C D |
C C D B A |
| 2 | C C __ __ A |
C C D B A |
3rd, 4th letters = D B |
C C D B A |
| 3 | C C D __ __ C |
C C D B A C |
5th, 6th letters = B A |
C C D B A C |
| 4 | C __ D __ A |
C C D B A |
7th, 8th letters = C B |
C C D B A |
As shown in the table, the letters CDDBBACB perfectly fill the blanks to conform to the repeating pattern CCDBA within the given structure.
Similar Questions
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Important Questions from Alphabet Series
A series is given with some letters missing. Choose the correct alternative from the given ones that will complete the series:
BR __ __ NB __ O __ NBA series is given with some letters missing. Choose the set of letters which when sequentially placed shall complete it .
a __ __ dba __ __ bcad __ __ da __ __ cdIn the following letter series, some of the letters are missing which are given in that order as one of the alternatives below It. Choose the correct alternative
_ a _ b _ abaa _ bab _ abbIn the series _b_a_ba_b_abab_aab;
fill in the six blanks ( _ ) using one of the following given four choices such that the series follows a specific order.
In the series AABABCABCDABCDE..., which letter appears at the 100th place?
