CTET Paper 1 · Mathematics-CTET
Read the following table : 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 ?
- 4 : 1
- 3 : 1
- 1 : 4
- 1 : 3
Read the following table : 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 ?
- 4 : 1
- 3 : 1
- 1 : 4
- 1 : 3
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