I just need to know if the sentences are correct though they are not complete. Thank you.

1) Imagine a school in which both German, French, English are studied...
The school has got 130 students,45 of whom study only English whereas ..... study both English and French.
None of (among) them studies both English and German.

1 answer

The word "both" is used only with two people or things. Remove it, and add "and" after "French," in #1.

space after comma

comma after "English" in 2nd sentence

delete "(among)"