Assertion (A): The crude death rate of a developed country may be higher than that of a developing country. Reason (R): Developed countries often have an older age structure. Choose the correct option: MCQ with Answer and Explanation

Assertion (A): The crude death rate of a developed country may be higher than that of a developing country. Reason (R): Developed countries often have an older age structure. Choose the correct option:
A. A is false, R is true
B. A is true, R is false
C. Both A and R are true, and R is the correct explanation of A
D. Both A and R are true, but R is not the correct explanation of A
Answer: Option C
Solution (By JKSSB Mock Tests)
CDR can be higher in developed countries due to larger elderly population, despite lower age-specific mortality. R explains A.

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Practice More Statistics Questions

Question #1
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. 12,500
B. Rs. 11,500
C. Rs. 10,000
D. Rs. 15,000

Correct Answer: Option D


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
Question #2
Two dice are rolled. Probability that the sum is 7 or 11 is:
A. 1/6
B. 2/9
C. 7/36
D. 5/36

Correct Answer: Option B


Explanation:
Ways for sum 7: 6; for sum 11: 2. Total favorable = 8. Probability = 8/36 = 2/9.

This question belongs to: Accountancy and Statistics Statistics
Question #3
A box contains 5 red and 3 green balls. Two balls are drawn without replacement. Probability that both are red is:
A. (5/8) + (4/7)
B. (5/8)²
C. (5/8) × (3/7)
D. (5/8) × (4/7) = 5/14

Correct Answer: Option D


Explanation:
First red: 5/8, second red given first red: 4/7. Product = 20/56 = 5/14.

This question belongs to: Accountancy and Statistics Statistics