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  • Reaching the Age of Adolescence
  • A boy is 9 years old and 120 cm tall. At the end of the g...
Multiple choice

A boy is 9 years old and 120 cm tall. At the end of the growth period his height is likely to be _________.

  1. 170 cm

  2. 180 cm

  3. 150 cm

  4. 160 cm

  5. 155 cm

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Calculation for full height (cm) = Present height cm / % of full height at this age x 100, i.e., 120 / 75 x 100 = 160 cm tall.

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