BANK CBI Sub Staff (Safai Karmachari) Mock Test 2024 Logical Reasoning Venn Diagram Venn Diagram Problems
In a hospital, 260 patients of skin disorder were treated. If 150 of them had been exposed to chemical A, 76 to chemical B and 38 to both chemicals A and B, find out the number of patients exposed to chemical B but not chemical A :
1
34
2
38
3
74
4
184
5
None of above