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. 20
C. 40
D. 2
Answer: Option B
Solution (By JKSSB Mock Tests)
Rate of natural increase = CBR - CDR = 30 - 10 = 20 per 1000.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Statistics Questions

Question #1
Total Fertility Rate (TFR) measures the average number of children a woman would bear in her lifetime if:
A. She marries early
B. She survives through reproductive ages and experiences current age-specific fertility rates
C. She has only female children
D. Mortality is zero

Correct Answer: Option B


Explanation:
TFR is a synthetic measure indicating average lifetime births per woman under current fertility schedule.

This question belongs to: Accountancy and Statistics Statistics
Question #2
If P(A) = 0.4, P(B) = 0.5, and P(A ∩ B) = 0.2, then P(A|B) is:
A. 0.4
B. 0.5
C. 0.8
D. 0.2

Correct Answer: Option A


Explanation:
Conditional probability P(A|B) = P(A ∩ B) / P(B) = 0.2 / 0.5 = 0.4. This represents the probability of A occurring given that B has already occurred.

This question belongs to: Accountancy and Statistics Statistics
Question #3
The cost of living index number for 2022 with base 2015 is 150. This implies that a household which spent Rs. 10,000 per month in 2015 needs to spend ______ in 2022 to maintain the same standard of living.
A. Rs. 11,500
B. Rs. 15,000
C. Rs. 12,500
D. Rs. 10,000

Correct Answer: Option B


Explanation:
Cost of Living Index 150 means the cost has increased by 50%, so new cost = 10,000 × 1.5 = 15,000.

This question belongs to: Accountancy and Statistics Statistics