Which of these mean "hello" in different language?

What language is used in this word, "Xièxiè nǐ".

What is the second most spoken language in the world?

how will you respond to,"obrigada"?in the same langugae?

Click the country that uses English as their main language?

You are in Tokyo and the temperature is -2 degrees. What will you say to the people with you?

how many languages are used in the Philippines?

which of these does not mean yummy?

which of this is not a country?