Formal:
* আপনার কেমন আছেন? (Aapnar kemon achen?) - This is the most formal and polite way to ask.
* আপনার সুস্থ আছেন? (Aapnar susthe achen?) - This means "Are you well?" and is also formal.
Informal:
* তুমি কেমন আছো? (Tumi kemon acho?) - This is the informal way to ask a friend or someone you know well.
* কি খবর? (Ki khobor?) - This literally means "What news?" and is a common way to ask "How are you?" in informal contexts.
Other options:
* ভালো আছো? (Bhalo acho?) - This means "Are you good?" and is a more casual way to ask.
* কি করে আছো? (Ki kore acho?) - This literally means "What are you doing?" and is another way to ask "How are you?" in informal settings.
The best way to ask depends on your relationship with the person you are speaking to.