Chain Rule Practice Test 1 with solutions

Question : 19 of 40

Marks: +1, -0

Mathew takes a picture of a one-meter snake that was seen beside a brick wall. When he developed his picture the 1 meter snake appears 2 cm long and the wall appears 4.5 cm high. The actual height of the brick wall is:

250 cm
215 cm
225 cm
275 cm

Validate

Solution:

Actual length of 2 cm long snake = 100 cm
Actual height of 4.5 cm high wall =

{100}/2

× 4.5
= 225 cm

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