#ETHProspects It looks like you might be looking at a Binance Square activity page. It doesn't seem to be an answer key, but rather a list of tasks that can earn you points. 

how to solve this problem plz tell me say something | Square - Binance

8 days ago — Rewards will be distributed in the form of token vouchers to eligible users within 21 working days after the Activity ends. Users will be able to log ...