An empty density bottle weighs 2N. If its weighs 5N when filled with water and 4N when filled with olive oil; the relative density of olive oil is?

A. (1)/3
B. (2)/3
C. (1)/5
D. (2)/5

Correct Answer:

Option B = (2)/3

Explanation

relative density = (weight of substance )/weight of equal volume of water = (4 – 2)/5 – 2 = (2)/3