Formal:
* बच्चे (bacche) - This is the most common and general term for "children."
* बालक (balak) - This is a more formal word for "boys."
* बालिका (balika) - This is a more formal word for "girls."
Informal:
* बच्चे (bacche) - This is also used informally.
* लड़के (ladke) - This is the informal word for "boys."
* लड़कियाँ (ladkiyaan) - This is the informal word for "girls."
Other options:
* बाल (baal) - This means "child" in a more general sense.
* बच्चों (bachchon) - This is the plural form of "bacche."
The best option for you will depend on the specific situation. If you are talking to children directly, you can use the informal terms "ladke" and "ladkiyaan." If you are talking about children in a formal setting, you should use the more formal terms "balak" and "balika."
Here are some examples:
* ये बच्चे बहुत प्यारे हैं। (Ye bacche bahut pyaare hain.) - These children are very cute.
* लड़के खेल रहे हैं। (Ladke khel rahe hain.) - The boys are playing.
* बालिकाएँ स्कूल जा रही हैं। (Balikaan school ja rahi hain.) - The girls are going to school.