Assertion (A): The population of India is increasing but the decadal growth rate has declined between 2001-2011 compared to 1991-2001. Reason (R): The total fertility rate in India has been declining. Choose the correct option: MCQ with Answer and Explanation

Question

Assertion (A): The population of India is increasing but the decadal growth rate has declined between 2001-2011 compared to 1991-2001. Reason (R): The total fertility rate in India has been declining. Choose the correct option:

A. A is false, R is true

B. Both A and R are true, and R is the correct explanation of A

C. Both A and R are true, but R is not the correct explanation of A

D. A is true, R is false

Answer: Option B

Solution (By JKSSB Mock Tests)

The decadal growth rate declined from 21.54% to 17.64%, and this is largely due to falling fertility. R explains A.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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In a well-shuffled deck of 52 cards, the probability of drawing an ace is:

A. 1/26

B. 4/52

C. 1/13

D. 1/52

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Correct Answer: Option C

Explanation:
4 aces out of 52 = 4/52 = 1/13. Option C also 4/52 but simplifies to 1/13. Better to pick A.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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In a frequency distribution, the class width is computed as:

A. Midpoint × 2

B. Frequency / total

C. Upper limit - lower limit (for exclusive classes)

D. Lower limit + upper limit

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Correct Answer: Option C

Explanation:
Class width = difference between boundaries for exclusive classes.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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In a 2×2 table, if (AB)=100, (Aβ)=150, (αB)=200, (αβ)=250, the total N is:

A. 600

B. 700

C. 900

D. 800

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Correct Answer: Option B

Explanation:
N = sum of all ultimate class frequencies = 100 + 150 + 200 + 250 = 700. This is the total population classified by the two attributes.

This question belongs to: Accountancy and Statistics Statistics

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