The following bar chart shows the number of students enrolled intwo Summer Camp A and B from 2014 to 2019. Study the chart carefully and answer the question that follows.

What is the ratio of the students enrolled in Camp A in 2014, 2016 and 2017 to the students enrolled in Camp B in 2015, 2018 and 2019?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 13 : 18
Calculations:
Total students enrolled in Camp A in 2014, 2016 and 2017 = 160 + 140 + 220 = 520
Total students enrolled in Camp B in 2015, 2018 and 2019 = 240 + 200 + 280 = 720
Required ratio = 520 : 720
⇒ 13 : 18