If a population has a crude birth rate of 30 and crude death rate of 10 per 1000, the natural increase rate (per 1000) is: MCQ with Answer and Explanation

If a population has a crude birth rate of 30 and crude death rate of 10 per 1000, the natural increase rate (per 1000) is:
A. 3
B. 40
C. 2
D. 20
Answer: Option D
Solution (By JKSSB Mock Tests)
Rate of natural increase = CBR - CDR = 30 - 10 = 20 per 1000.

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Practice More Statistics Questions

Question #1
The census in India is conducted every:
A. 10 years
B. 5 years
C. 12 years
D. 7 years

Correct Answer: Option A


Explanation:
India’s decennial census occurs every 10 years.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Crude Death Rate (CDR) for a population of 50,000 with 400 deaths in a year is:
A. 0.08 per 1000
B. 8 per 1000
C. 0.8 per 1000
D. 80 per 1000

Correct Answer: Option B


Explanation:
CDR = (400 / 50000) × 1000 = 0.008 × 1000 = 8 per 1000.

This question belongs to: Accountancy and Statistics Statistics
Question #3
The de facto census method may overcount:
A. Visitors and temporary residents present on census night
B. Newborns not yet registered
C. Elderly in institutions
D. Usual residents who are temporarily absent

Correct Answer: Option A


Explanation:
De facto census counts people where found on census night, so tourists, migrant workers, or hospital patients may be counted away from their usual residence, potentially inflating counts in transient areas.

This question belongs to: Accountancy and Statistics Statistics