<prompt> Which of the following can be done by an 18 months old baby?Making tower of 9 cubesCan use 10 words with meaningRide tricycleTurn pages of book one at a time  <response>: Ans. is b i.e., Can use 10 words with meaning At 18 months, the child can use 10 words with meaning.Other milestones asked in the question are achieved in children older than 18 months Making a tower of 9 cubes - 30 months Turn pages of book one at a time - 2 years Ride tricycle - 3 yearsMilestones achieved at 18 months of age Starts running runs stiffy Can feed himself from a cup. Can use 10 words with meaning. Name pictures Builds tower of 4 cubes. Ready for starting toilet training. Copies parents in task. 