In most human populations, the age group with the highest age-specific fertility rate is typically: MCQ with Answer and Explanation

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In most human populations, the age group with the highest age-specific fertility rate is typically:

A. 15-19

B. 20-24

C. 40-44

D. 30-34

Answer: Option B

Solution (By JKSSB Mock Tests)

Fertility peaks in the 20-24 or 25-29 age range; commonly 20-24 is the highest in many populations.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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An experiment consists of rolling a fair die. Event A = {2, 4, 6} and Event B = {3, 6}. What is P(A ∪ B)?

A. 2/3

B. 1/2

C. 5/6

D. 1/3

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Correct Answer: Option A

Explanation:
A ∪ B = {2, 3, 4, 6}. Four favorable outcomes. P(A ∪ B) = 4/6 = 2/3.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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If a time series index shows that prices have doubled from base year, the index is:

A. 1000

B. 50

C. 100

D. 200

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Correct Answer: Option D

Explanation:
Doubling means 100% increase, so index = base (100) + 100 = 200.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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A card is drawn from a well-shuffled deck of 52 cards. The probability that it is a jack or a spade is:

A. 16/52

B. 4/13

C. 17/52

D. 1/4

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Correct Answer: Option A

Explanation:
P(jack)=4/52, spade=13/52, jack of spades=1/52. P=4/52+13/52-1/52=16/52.

This question belongs to: Accountancy and Statistics Statistics

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