Comprehension Passage
Directions: Study the bar graph carefully and answer the following questions.
The bar graph given below represents the number of stock investors (in million) registered with the four exchanges during the year 2020 and 2021.
What is the ratio of the percentage increase or decrease in the number of investors in BSE to the percentage increase or decrease in the number of investors in CSE in the year 2021 in respect of 2020?
1
3 : 5
2
1 : 4
3
5 : 2
4
5 : 9
5
2 : 5