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91. This is a pie chart for the data on A, B, O, AB blood groups of 150 donors. Observe the pie chart and answer the questions.
The ratio of donors blood group ‘A’ to the average of the donors group ‘O’, ‘B’ and ‘AB’ is:
The ratio of donors blood group ‘A’ to the average of the donors group ‘O’, ‘B’ and ‘AB’ is:
Solution:
Average of O, B, AB blood group
92. This is a pie chart for the data on A, B, O, AB blood groups of 150 donors. Observe the pie chart and answer the questions.
The number of persons having either blood group ‘A’ or blood group ‘B’ is:
The number of persons having either blood group ‘A’ or blood group ‘B’ is:
Solution:
Person having blood group A or B
93. This is a pie chart for the data on A, B, O, AB blood groups of 150 donors. Observe the pie chart and answer the questions.
The number of donors having group ‘O’ is:
The number of donors having group ‘O’ is:
Solution:
The number of donor having group O
94. This is a pie chart for the data on A, B, O, AB blood groups of 150 donors. Observe the pie chart and answer the questions.
What is the percentage of donors having blood group ‘AB’ ?
What is the percentage of donors having blood group ‘AB’ ?
Solution:
% of person having blood group ABNext