Gross Reproduction Rate (GRR) ignores: MCQ with Answer and Explanation

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Gross Reproduction Rate (GRR) ignores:

A. Male births

B. Female births

C. Mortality

D. Fertility

Answer: Option C

Solution (By JKSSB Mock Tests)

GRR does not account for the mortality of women; it measures potential reproduction.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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A box contains 4 white and 6 black balls. A ball is drawn and not replaced. Then another ball is drawn. The probability that both are white is:

A. 2/15

B. 1/6

C. 12/90

D. 6/90

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Correct Answer: Option A

Explanation:
(4/10)×(3/9)=12/90=2/15.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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A student's marks in three subjects with weights 3, 2, 1 are 80, 90, 70 respectively. The weighted mean is:

A. 80

B. 81.67

C. 85

D. 82

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Correct Answer: Option B

Explanation:
Weighted sum = 3×80 + 2×90 + 1×70 = 490. Sum of weights = 6. Mean = 490/6 = 81.67.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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The infant mortality rate in Kerala is lower than in Madhya Pradesh primarily due to:

A. Higher fertility

B. Better healthcare and higher female literacy

C. Higher income

D. Larger population

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Correct Answer: Option B

Explanation:
Kerala's good health infrastructure and high literacy contribute to low IMR.

This question belongs to: Accountancy and Statistics Statistics

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