Social & Preventive Medicine To achieve a Net Reproduction Rate (NRR) of 1,the Couple Protection Rate (CPR) should be:(2018) A 20% B 30% C 40% D 60% 💡 Explanation To achieve a Net Reproduction Rate (NRR) of 1,the Couple Protection Rate (CPR) should be:(2018) ✓ Correct Answer: D. 60%