Question : Directions: Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
a b _ a _ b b a _ _ b a
Option 1: abbb
Option 2: aaaa
Option 3: bbbb
Option 4: baab
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Correct Answer: baab
Solution :
Given:
a b _ a _ b b a _ _ b a
To fill the series we have to divide the series – a b _ a \ _ b b a \ _ _ b a
Let's check each option –
First option:
abbb; ab
a
a \
b
bba \
bb
ba (No repeated pattern has been found)
Second option:
aaaa; ab
a
a \
a
bba \
aa
ba (No repeated pattern has been found)
Third option:
bbbb; ab
b
a \
b
bba \
bb
ba (No repeated pattern has been found)
Fourth option:
baab; ab
b
a \
a
bba \
ab
ba (abba is repeated in the series)
Thus, the series becomes→abbaabbaabba. Hence, the fourth option is correct.
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