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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


Team Careers360 24th Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

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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