Multiple choice general knowledge How many bones are there in a new born baby 250 300 275 200 Reveal answer Fill a bubble to check yourself B Correct answer Explanation A newborn baby has approximately 300 bones, which is more than an adult's 206 bones. Many of these bones fuse together as the child grows, particularly in the skull, spine, and pelvis. The options 250, 275, and 200 are all incorrect.