Answer: A BMI(Body mass index) is the ratio for determination of the total fat of the body. It is considered ideal if the BMI value is ranging from 18.5 to 24.9
Explanation: Body mass index(BMI) defines whether the person is over weight or underweight by calculating the overall fat of the body . A range of 18.5 to 24.9 BMI value is considered to be healthy. If the value is higher than 30 then it is considered as person is obese/overweight and if the value is below 18.5 it is considered to be underweight.