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  4. The percentage ratio of natality over mortality is called

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Q. The percentage ratio of natality over mortality is called

Chhattisgarh PMTChhattisgarh PMT 2004

Solution:

The percentage ratio of natality over mortality is known as vital index, ie, Vital index refers to a birth-death ratio $\left[100 \times \frac{\text { Birth }}{\text { Death }}\right]$ It determines the growth of a population.