अनुवाद:लड़कियाँ सैंडविच खाती हैं।
Why dont say the girl in this sentance
You can say "The girls eat sandwiches". Both are correct.
"The girl" would be wrong because "लड़कियाँ" is plural (बहुवचन). It should be "The girls eat sandwiches." or "Girls eat sandwiches."