Comprehension Passage
Direction: Observe the Bar graph thoughtfully and answer the questions given below.
The given bar graph has the percentage of Indians, Chinese and Africans holding jobs in US over the years.
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If total Indians in US in the year 2017 is equal to the total Chinese in 2019, then find the ratio of Africans in the respective years.
1
10 : 17
2
20 : 271
3
20 : 171
4
27 : 103
5
85 : 338