Question : Directions: Select the option that represents the letters that when placed from left to right in the blanks below will complete the letter series.
D_BA_CB_DCB_D_BA
Option 1: CDAAC
Option 2: DBCAC
Option 3: DCBCA
Option 4: CBDCA
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Correct Answer: CDAAC
Solution :
Given:
D_BA_CB_DCB_D_BA
To fill the series we have to divide the series – D_BA / _CB_ / DCB_ / D_BA
Let's check each option –
First option:
CDAAC;
D
C
BA /
D
CB
A
/ DCB
A
/ D
C
BA (DCBA is repeated)
Second option:
DBCAC;
D
D
BA /
B
CB
C
/ DCB
A
/ D
C
BA (No pattern is repeated)
Third option:
DCBCA;
D
D
BA /
C
CB
B
/ DCB
C
/ D
A
BA (No pattern is repeated)
Fourth option:
CBDCA;
D
C
BA /
B
CB
D
/ DCB
C
/ D
A
BA (No pattern is repeated)
So, only the first option follows a pattern. Hence, the first option is correct.
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