Answer that by accurately describing how you found the employer. Saying you have no idea is a signal of a by-chance search. Say at least a few words about the network, application process and reason for that net.
This isn't a personal life question. This is about where you worked prior, what was your experience like there and what valuable skills you learnt. Please, be brief.
A direct link to the first card. It shows whether you understand what you have to do. Be honest, specific and relevant to that part of the interview.
Don't say you have no idea. Estimate an approximate range to show your flexibility and that you've been researching. Don't expect to have a million dollars off the bat.
How do your values align with the company culture? Be specific. Don't say you're here just to get a job.
Be genuine and show them you know yourself. Avoid being cliché, though. Explain how you're working on improving.
Alternatively, what skills can you apply best in the job? Talk about relevant ones. Again, avoid clichés and bragging.
Shows what is a goal for you. Mention those where you applied the aforementioned strengths. Be relevant.
Don't say "money". Talk about why the company is the ultimate choice for you. Shows your genuine interest and alignment with their values.
Shows them how you stay productive in the workplace. Align with their company culture. Be relevant to the job.
What if you don't see yourself with them in 5 years? What if it doesn't align? What are your long-term prospects?
For them. Mention qualities that you believe aren't seen in other candidates. Be authentic, but also relevant.