Q.Read the following passage and answer the questions that follow. On fitness-testing day, a Class 9 boy is assessed under the SAI Khelo India Fitness Test for the 9–18+ years age group. His recorded results are: body weight 66 kg, height 1.65 m; 50 m dash 8.4 seconds; 600 m run/walk 3 minutes 05 seconds; Sit and Reach +6 cm; Abdominal Partial Curl-Up 26 in one minute; Push-Ups 14 in one minute.

This case study reports a Class 9 boy's results on the SAI Khelo India Fitness Test for the 9-18+ years age group; each part is answered from his recorded data (66 kg, 1.65 m, 50 m dash 8.4 s, 600 m run/walk 3 min 05 s, Sit and Reach +6 cm, 26 abdominal partial curl-ups and 14 push-ups in one minute).

1. Body Mass Index = weight (kg) / height (m) squared: BMI = 66 / (1.65)^2 = 66 / 2.7225 = 24.24 kg/m^2. The adult cut-offs given in the syllabus are the WHO international classification (below 18.5 Underweight; 18.5-24.9 Normal; 25.0-29.9 Overweight; 30.0 and above Obese). A BMI of 24.24 falls in 18.5-24.9, so on these cut-offs he is Normal weight. (Under the stricter Asian/Indian ICMR cut-offs, where overweight begins at 23.0, the same value would read as overweight - but the question asks for the adult cut-offs given in the syllabus, i.e. the WHO bands.)
2. The 50 m dash (he ran it in 8.4 seconds) measures speed. The 600 m run/walk (3 minutes 05 seconds) measures cardiovascular endurance.
3. His Sit and Reach score of +6 cm is a positive score, meaning his fingertips reached beyond the level of his toes - a sign of good hamstring and lower-back flexibility. A common technical error that invalidates the trial is bending the knees during the reach (the legs must stay fully extended); bouncing or jerking forward instead of a slow, held stretch is another. …

The passage reports a Class 9 boy assessed under the SAI Khelo India Fitness Test for the 9-18+ years age group, with results: body weight 66 kg, height 1.65 m, 50 m dash 8.4 s, 600 m run/walk 3 min 05 s, Sit and Reach +6 cm, and 26 abdominal partial curl-ups and 14 push-ups in one minute. Each part below is answered from these figures.

(i) Compute his Body Mass Index and classify it using the adult cut-offs given in the syllabus.

Body Mass Index relates body weight to height and is a simple screening measure of body composition.

Substituting his data:

1. Square the height: 1.65 x 1.65 = 2.7225
2. Divide weight by that square: 66 / 2.7225 = 24.24

So his BMI is 24.24 kg/m^2 (about 24.2).

The adult cut-offs given in the syllabus are the WHO international classification: below 18.5 = Underweight, 18.5-24.9 = Normal, 25.0-29.9 = Overweight, 30.0 and above = Obese. A BMI of 24.24 lies within 18.5-24.9, so on these cut-offs he is Normal weight. …