Madhya Pradesh Police Exam Model Paper 5

Series given is question is a logical order or child development.
Newborn (ages 0 – 5 weeks);
Infant (ages 5 weeks – 1 year);
Toddler (ages 1 – 3 years);
Pre-schooler (ages 3 – 5 years);
School-aged child (ages 5 – 12 years);
Adolescent (ages 13 – 19)
Adult (age > 18)
Therefore, adult is missing term.