"An apple is sweet."

Translation: सेब मीठा होता है।

[Ringcycle]

When do you have to add "hota" to the sentence?

[Zesul]

It's used when mentioning generalizations and universal truths.

[deactivated user]

Looks like somebody is learning a lot of languages! And you are correct

[2u841r]

An apple is sweet=एक सेब मीठा होता है