Population growth rate is calculated as: MCQ with Answer and Explanation

Population growth rate is calculated as:
A. (Births - Deaths) / Mid-year population × 100
B. Both B and C are correct
C. Crude Birth Rate - Crude Death Rate
D. (Births + Immigration - Deaths - Emigration) / Mid-year population × 100
Answer: Option B
Solution (By JKSSB Mock Tests)
Natural growth rate = CBR - CDR (per 1,000); overall growth rate includes net migration. Both formulations are used, with B being comprehensive and C focusing on natural increase.

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Bayes' theorem is particularly useful in:
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Correct Answer: Option D


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Bayes' theorem provides a formal framework for revising prior probabilities based on observed data, crucial in medical testing (e.g., disease probability given positive test) and Bayesian statistics.

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Correct Answer: Option C


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