CTET Class I to V 20 Aug 2023 Paper
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Question : 52 of 150
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Read the following table:
What is the ratio of the most common and rarest blood groups?
| Blood Group | Number of Students |
| A | 9 |
| B | 6 |
| O | 12 |
| AB | 3 |
| Total | 30 |
What is the ratio of the most common and rarest blood groups?
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