Learn and practice Aptitude questions and answers with explanation for interview, competitive exam (Pariksha Corner )

Thursday, January 23, 2020

P, Q, R are three languages. PQ = R and P and R are regular.

P, Q, R are three languages. PQ = R and P and R are regular. This implies
AQ has to be regular
BQ cannot be regular
CQ need not be regular
DQ cannot be a CFL

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