The population density of a state is 500 persons per sq km and its area is 200 sq km. The total population is: MCQ with Answer and Explanation

The population density of a state is 500 persons per sq km and its area is 200 sq km. The total population is:
A. 100,000
B. 2.5
C. 250,000
D. 10,000
Answer: Option A
Solution (By JKSSB Mock Tests)
Population = density × area = 500 × 200 = 100,000.

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Practice More Statistics Questions

Question #1
Net Reproduction Rate (NRR) differs from Gross Reproduction Rate (GRR) because NRR takes into account:
A. Migration rates
B. Economic status
C. Mortality rates of mothers
D. Male births

Correct Answer: Option C


Explanation:
NRR adjusts the GRR by factoring in the probability that a female child will survive through her reproductive years.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Maternal Mortality Ratio is defined as maternal deaths per 100,000 live births. It measures:
A. Fertility
B. Infant health
C. Child health
D. Risk of death related to pregnancy and childbirth

Correct Answer: Option D


Explanation:
MMR captures the risk of maternal death per live birth.

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Question #3
Consider attributes: Vaccination (A) and Immunity (B). If (AB) = 150, (A) = 200, (B) = 300, N = 500, what type of association exists?
A. Inconsistent Data
B. Positive Association
C. Independent
D. Negative Association

Correct Answer: Option B


Explanation:
Expected (AB) if independent = (200*300)/500 = 120. Actual (AB) = 150. Since Actual > Expected, the association is positive.

This question belongs to: Accountancy and Statistics Statistics