0 votes 0 votes consider following CFG S->AaS|null A->SbB B->bCC C->cD|Ec D->abAA E->bc F->bBC The number of production in G' after removing null and useless production.? GATE gateforum-test-series + – ADITYA CHAURASIYA 5 asked Sep 25, 2017 ADITYA CHAURASIYA 5 253 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply Anjan commented Sep 25, 2017 reply Follow Share 10 ? 0 votes 0 votes ADITYA CHAURASIYA 5 commented Sep 25, 2017 reply Follow Share i think 10 but ans is given 9 0 votes 0 votes Please log in or register to add a comment.