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What is The height of a child is double the bih height at the age of- and explain in detail?
Ans. is 'd' i.e., 4 years o An infant usually doubles his bih height by the age of 41/2 years Age Bih 3 months 9 months 1 year 2 years 41/2 years Height 50 cm 60 cm 70 cm 75 cm 90 cm 100 cm