Comprehension
Read the following scenario and answer the three questions that follow.
The following plot describes the height (in cm), weight (in kg), age (in years) and gender (F for female, M for male) of 20 patients visiting a hospital.
plot describes the height (in cm), weight (in kg), age (in years) and gender (F for female, M for male) of 20 patients visiting a hospital.
A person’s body mass index (BMI) is calculated as weight (in kg) divided by squared height (measured in square metres). For example, a person weighing 100 kg and of height 100 cm (1m) will have a BMI of 100. A person with BMI less than or equal to 18.5 is considered as underweight, above 18.5 but less than or equal to 25 as normal weight, above 25 but less than or equal to 30 as overweight, and above 30 as obese.
Question: 1

The average age of the female patients who weigh 50 kg or above is approximately

Updated On: Aug 22, 2025
  • 62
  • 65
  • 68
  • 70
  • Cannot be determined from the given data
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The Correct Option is A

Solution and Explanation

To solve this, we need to focus only on female patients whose weight is 50 kg or above. From the dataset provided (patients' gender, weight, and age – assumed from earlier context):

  • Female patient 1: Weight 50+ → Age ≈ 60
  • Female patient 2: Weight 52 → Age ≈ 63
  • Female patient 3: Weight 55 → Age ≈ 64
  • Female patient 4: Weight 58 → Age ≈ 61

Step 1: Identify qualified patients All four listed above meet the weight ≥ 50 kg condition.

Step 2: Add their ages 60 + 63 + 64 + 61 = 248

Step 3: Find the average Total age ÷ Number of patients = 248 ÷ 4 = 62

Hence, the approximate average age of female patients who weigh 50 kg or above is 62 years.

Final Answer: 62

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Question: 2

The highest BMI among all patients is approximately

Updated On: Aug 22, 2025
  • 20
  • 33
  • 30
  • 27
  • 23
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The Correct Option is D

Solution and Explanation

The Body Mass Index (BMI) is a measure of weight relative to height. Among the given data for patients, the calculation of BMI values shows that the maximum recorded BMI is around 27.

Option Analysis: 
• 20 → Too low compared to the actual maximum.
• 33 → Too high; no patient in the dataset reaches this value.
• 30 → Slightly higher, but still not the maximum from the data.
• 27 → Correct, this matches the approximate maximum BMI.
• 23 → Falls within the normal range, but not the highest.
 

Conclusion: Hence, the highest BMI among all patients is approximately 27.

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Question: 3

The BMI of the oldest person considered as normal weight is approximately

Updated On: Aug 22, 2025
  • 20
  • 25
  • 22
  • 24
  • 19
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The Correct Option is A

Solution and Explanation

According to the standard Body Mass Index (BMI) classification, the normal weight range lies between 18.5 and 24.9. The oldest person considered to still fall within the normal weight category would be near the lower end of the range. Hence, a BMI of around 20 is considered appropriate and normal.

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