<prompt> A child has a vocabulary of 10-15 words however the main mode of communication and social interaction continues to be non-verbal. What is the most likely developmental age of the child?12 months15 months24 months36 months  <response>: Ans. B. 15 monthsA 15 month old child has a vocabulary of 10-15 meaningful words. However at this time since less than 20 of the speech is understood, the main mode of communication remains non-verbal. 