I too have the same doubt From Stmt 1 => P = 0 or pq-1 = 0 which implies pq=1 From Stmt 2 => q= 0 or pq-1 = 0 which again implies pq = 1 From the 2 stmts together we know that pq=1 is the common comdition, therefore the answer is C. COuld you please provide an alternate explanation so that we...