Question
Till the age of 21, Arun grows such that his height varies as the square root of this age. When Arun is 9 years old, his height is 4 feet. What is his height at 16 years?
Answer: Option C
:
C
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:
C
Option (c)
Relationship given:-
4=K√9→K=43
Hα√AH=K√A
Height of Arun at 16 years H=43×4=163 = 5 feet 4 inches
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