The numbers or set consisting of two units.

A pair or something representing or resembling a pair.

दो की संख्या

English Usage: There are two apples on the table.

Hindi Usage: टेबल पर दो सेब हैं।

Two people or individuals.

दो लोग

English Usage: The twos found it easier to collaborate.

Hindi Usage: दो लोगों को सहयोग करना आसान लगा।