A girl, 4 feet tall can cast a shadow on the ground that is 5 feet long. How tall is a boy who can cast a shadow that is 10 feet long?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 8 feet.
(Girl's height)/(Girl's shadow) = (Boy's height)/(Boy's shadow)
⇒ 4/5 = Boy's height/10
⇒ Boy's height = (4 × 10)/5 = 8 feet