Choose the correct order of the given alternative : a _ bb _ baa _ bbb _ aa _
  • 1aabba
  • 2bbaab
  • 3abaaa
  • 4baabb
Answer:- 1
Explanation:-

Solution:
The series is aabbbb/aaabbb/aaaa. At each step, the number of a's increases by one; while the number of b's decreases by one.

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