Which of the following is true about the median? MCQ with Answer and Explanation

Explanation:
GM of (kx) = k × GM of x, since GM(kx) = (kⁿ ∏x)^(1/n) = k (∏x)^(1/n).

Explanation:
CBR = (4000 / 200000) × 1000 = 0.02 × 1000 = 20 per 1000.

Explanation:
Per WHO definition, perinatal mortality includes late fetal deaths (stillbirths) from 28 completed weeks of gestation and early neonatal deaths (first 7 days), capturing risks around birth.