<prompt> At what age in years does-a child attain a height of 100 cms?2345  <response>: Ans. c 4 yearsRef: OP Ghai 8th ed.13 Length of Indian baby at birth50cm Length at 1 year75cm Length at 4 12 years 100cm Subsequently 5-6 cmyear Pubertal growth spurt6-8cmyear 