Solved Paper-II On Topic : Solved Paper-II SET(MH) 6 Sep 2015

Que : 1 . Let ∑= {a, b} be an alphabet. The strings of length seven over ∑ are listed in dictionary (lex) order. What is the first string after ′aaaabaa′ that is a PALINDROME (which is same read forwards and backwards) ?

1. aaaabab
2. aaabaaa
3. aababaa
4. aabbbaa
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