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What is Weight of an infant doubles by what age? and explain in detail?
Ans. is 'a' i.e., 6 months *Weight of an infant doubles by 5 months and quadruples by 2 years of age.AgeWeightBirth3kg5 months6kg (2 x birth weight)1 years9kg (3 x birth weight)2 years12kg (4 x birth weight)3 years15kg (5 x birth weight)5 years18kg (6 x birth weight)7 years21kg (7 x birth weight)10 years30kg (10 x birth weight)