Question 833131
weight in kilograms 160 / height in meters 1.6 = 100
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However, a BMI of 30 is considered obese.  The formula you've been given for BMI is incorrect.  The correct formula is BMI = ( Weight in Kilograms / ( Height in Meters x Height in Meters ) )
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Using the correct formula:
160 / 1.6*1.6
160 / 2.56
BMI = 62.5 (still implausible, but possible)

If you're interested in calculating your own, you can use the calculator at http://www.bmi-calculator.net/