state gov UP Police Computer Operator Grade A Mock Test 2023 Data Interpretation Pie Chart Single Pie
The following pie-chart shows the data regarding the donors of A, B, O and AB blood groups.
The ratio of the number of donors of blood group 'O' to the average of the number of donors of blood groups 'A' and 'AB' together is:
1
2 : 3
2
1 : 1
3
2 : 1
4
1 : 2