Question : Directions: Which set of letters, when sequentially placed in the gaps in the given letter series, shall complete it?
CD_E_DD_CD_E
Option 1: CDCD
Option 2: DCCC
Option 3: DCED
Option 4: DDDC
Correct Answer: DCED
Solution :
Given:
CD_E_DD_CD_E
To fill in the blanks, divide the series into clusters of 4 letters – CD_E / _DD_ / CD_E
Let's check each option –
First option:
CDCD;
CD
C
E /
D
DD
C
/ CC
D
E
(No repeated pattern found.)
Second option:
DCCC;
CD
D
E /
C
DD
C
/ CC
C
E
(No repeated pattern found.)
Third option:
DCED;
CD
D
E /
C
DD
E
/ CD
D
E (CDDE is repeated in the series.)
Fourth option:
DDDC;
CD
D
E /
D
DD
D
/ CD
C
E
(No repeated pattern found.)
So, the series becomes→CDDECDDECDDE. Hence, the third option is correct.
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