Pediatrics Developmental Quotient is calculated as: A Average age at attainment / observed age at attainment x100 B Observed age at attainment / average at attainment x100 C Observed age at attainment x average age at attainment D Observed age at attainment / average age at attainment 💡 Explanation Developmental Quotient is calculated as: ✓ Correct Answer: A. Average age at attainment / observed age at attainment x100