<prompt> RDA of zinc in a child less than 8 years old is-5 mg12 mg20 mg25 mg  <response>: Ans. is a i.e., 5 mg RDA of Zinc in children 1-3 years- 3mg 4-8 years- 5 mg 9 years and above male- 8-11 mg 9 years and above female- 8 mg 