A child climbs with alternate steps, builds a tower 8–9 cubes, tells 'I' but not his name and can not say his age and sex, the probable age is –: (A) 36 months, (B) 24 months, (C) 30 months, (D) 48 months
Answer is C. A child climbs stairs with alternating feet, refers to self as 'I' and builds a tower of 9 cubes by the age of 30 months.
A child knows his gender and age by 3 years.