What is the ratio of the total population of city A for 2013, 2015 and 2017 to the total population of city B for 2015 and 2017?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 7 : 6.
Total population of city A for 2013, 2015 and 2017 = 40 + 45 + 55 = 140
Total population of city B for 2015 and 2017 = 55 + 65 = 120
Ratio = 140 : 120 = 7 : 6