প্রশ্ন সংশোধন করুন
প্রশ্ন:
3 years ago, the average age of a family of 5 members was 17 years. With the birth of a new baby, the average remains the same even today. Find the age of the baby.
3 years ago, the average age of a family of 5 members was 17 years. With the birth of a new baby, the average remains the same even today. Find the age of the baby.