Social & Preventive Medicine 30 out of 50 smokers and 10 out of 50 non smokers develop lung cancer. What is odd’s Ratio A 4 B 2.8 C 6 D 7 💡 Explanation 30 out of 50 smokers and 10 out of 50 non smokers develop lung cancer. What is odd's Ratio ✓ Correct Answer: C. 6