None gives negative sense.
Neither is used for two.
Who is used for subject.
Anyone is a singular pronoun.
Students is a plural noun. Therefore, we need to use plural reflexive pronoun i.e. Themselves.
None of them means ان میں سے ایک بھی نہیں
A few days ago I gave her a few books on the condition that she would return them as sooon as possible.
Them is a pronoun which means ان کو
Each is used for two or more than two.
Every is used more than two.
Each is used for individual.
Every is used for collection or group.
Generally, either is followed by or.
Neither is followed by nor.
Not only is followed by but also.
Each student wishes to complete his work on time.