Comprehension Passage
Directions: Study the following bar graph carefully and answer the questions given below.
Below given is the bar chart of the COVID-19 sample data (31/03/2021 - 04/04/2021) at the district of Prayagraj, Uttar Pradesh. It indicates the number of samples detected of Covid - 19 Positive and Covid - 19 Negative on each day of the mentioned period.
What is the difference between the total number of COVID-19 samples tested on 3rd April and 31st March?
1
250
2
300
3
200
4
150