**1.**

Please choose one Σ={a,Aa,Abb}, then string aAaAbbAa has ________ length.

**2.**

Please choose one Languages generated by kleene star are always ______________.

**3.**

Please choose one Let S = {aa, bb} be a set of strings then s* will have

**4.**

Please choose one If r1 = (aa + bb) and r2 = ( a + b) then the language (aa + bb)* will be generated by

**5.**

Please choose one

Above given FA can be represented by

**6.**

Please choose one

Above given FA accepts ___________ strings defined over Σ={a , b}

**7.**

Please choose one If a language can be expressed through FA, then it can also be expressed through TG.

**8.**

Please choose one

Above given TG has ____________________ RE.

**9.**

Please choose one

Above given FA accepts the language in which strings

**10.**

Please choose one GTG can have _______________ final state.