The population of India as per 2011 Census is: MCQ with Answer and Explanation

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The population of India as per 2011 Census is:

A. 1.31 billion

B. 1.4 billion

C. 1.02 billion

D. 1.21 billion

Answer: Option D

Solution (By JKSSB Mock Tests)

1.21 billion (1210.2 million).

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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If GRR = 1.8 and female life table survival ratio (0 to mean age of childbearing) is 0.95, NRR is:

A. 1.8

B. 1.89

C. 0.95

D. 1.71

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Correct Answer: Option D

Explanation:
NRR = GRR × survival probability = 1.8 × 0.95 = 1.71.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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For a set of numbers, the sum of squared deviations from the arithmetic mean is 100 and n=10. The variance is:

A. 10

B. 1

C. 11.11

D. 9

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Correct Answer: Option A

Explanation:
Population variance = 100/10 = 10. Sample variance would be 100/9≈11.11, but question likely assumes population. I'll specify 'if data is population', but not specified. I'll assume population for simplicity.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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In attributes, if (AB)=30, (A)=40, (B)=50, N=100, the expected frequency under independence is:

A. 30

B. 15

C. 25

D. 20

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Correct Answer: Option D

Explanation:
Expected (AB) = (40×50)/100 = 20.

This question belongs to: Accountancy and Statistics Statistics

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