Comprehension Passage
The following chart shows the percentage of total articles purchased by Ravi, Om, Rocky, Sanjay, and Surya on upcoming festivals
What is the ratio of the total purchases item by Rocky, Ravi, and Om together to that of Sanjay and Surya together?
1
53 : 63
2
75 : 47
3
69 : 31
4
89 : 41
5
NOT