how much google adsense pay for 1000 impressions and clicks

There is two method.

Cost Per Click (CPC) – Webmaster Earns some bucks by simply clicks per Ads on their Advertisements by their site visitors. CPC is varies by county to country. For example in India, CTC ratio is in between 0.06 $ to 0.4 $.

Cost per Impression (CPI) – Some Ads are based on the Impression of that ads on their website. Normally the value defines based on the 1000 impression of that Ads. In India it may be in between 2$ to 12 $