Chain Rule Practice Test 3 with solutions

Question : 6 of 10

Marks: +1, -0

A photographer noticed a 2.5 m long snake near a wall and photographed. In the photograph, it snake was just 1.7 cm long and the wall was 5.1 cm high. Then find the actual height of the wall.

5.9 m
9 m
7.5 m
10.2 m
15 m

Validate

Solution:

Actual length of 1.7 cm snake = 2.5 m long
Actual length of 5.1 cm wall =

({2.5×5.1}/{1.7})

m
high = 7.5 m high

Go to Question:

Prev Question

Next Question