Comprehension Passage
Direction: The below mentioned Pie chart shows the sales of different I-phone models in the year 2018 in terms of percentage.
What is the ratio of total units sold of I-phone 8 and 10 sold to total units of I-phone 6s and 7 sold?
1
31 : 17
2
31 : 19
3
33 : 18
4
33 : 17