Top Ten Most Useful Languages to Know

Most world wide spoken language (2nd most speakers besides Manderin)

This is clearly a trick question

This should be in the second place.

Extremely useful langauge for Americans.. there are tons of employers who are looking for applicants fluent in Arabic

Widely spoken in india

Half of the biggest continent Eurasia inhabited by people of many nationalities with their own languages. But majoritmajority of them use russian to speak with each other.

7th most spoken language in the world. But not really important. Only available in BD and few parts of India.