Lesson eLearning

A 24‑year‑old girl weighs 58 kg and is 1.55 m tall. Calculate her Body Mass Index (BMI) and state the WHO classification for her BMI value.

easy 1 mark Class 12 · Biology · Reproductive Health
Answer
24.1 kg/m² – Normal weight

The correct answer is 24.1 kg/m² – Normal weight — Classify the BMI: 18.5–24.9 falls under Normal weight according to WHO.

Step-by-step solution

  1. Compute BMI using the formula – weight (kg) ÷ [height (m)]² = 58 ÷ (1.55)² = 24.1
  2. Classify the BMI: 18.5–24.9 falls under Normal weight according to WHO.
Common mistake: Using height in centimeters instead of meters

Concept tested: BMI calculation and classification

Published · How this solution was prepared and checked

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