Помогите пожалуйста! Нужно сочтавить 5 типов вопросов Any standard is an instrument for the state to set rules

1. Is any standard  an instrument for the state to set rules? 2. Any standard is an instrument for the state to set rules, isn’t it? 3. Is any standard  an instrument for the state to set rules or to give rights? 4. What  is an instrument for the state to set rules? 5. Why is any standard  an instrument for the state to set rules?