Aapki/Tumhari/Teri umr kya hai?
dear thamizhvaanan .
you may ask how to write sentence
you just ask a question what is your age.
how old are you..?
apka/ apki/tumhara/tumhari umar kya hai ?
how old are you.?
apki/apka/tera/ tumhara/ umer kya hai.?
I am 20 year old
mera umer 20 saal hai
your age is 20 year old
tumhara umer hai 20 saal
Aap kaumar kitana ho gaya hai