A box has 2 red, 3 blue, 5 green balls. Probability of drawing a green ball is: MCQ with Answer and Explanation

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A box has 2 red, 3 blue, 5 green balls. Probability of drawing a green ball is:

A. 5/10

B. 1/2

C. 2/5

D. 3/10

Answer: Option A

Solution (By JKSSB Mock Tests)

Total balls = 10, green = 5, probability = 5/10 = 1/2. But option B says 5/10, which is the same. So B is correct.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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The population of a country in 2020 was 100 million with a growth rate of 2% per year. Assuming exponential growth, the population in 2022 is approximately:

A. 104 million

B. 102 million

C. 108 million

D. 104.04 million

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Correct Answer: Option D

Explanation:
Using compound formula: 100 × (1.02)^2 = 104.04 million.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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The formula for the Factor Reversal Test requires that the product of the price index and quantity index equals the:

A. Value Index

B. Base Index

C. 1

D. Volume Index

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Correct Answer: Option A

Explanation:
Factor Reversal Test states P01 * Q01 = V01, meaning the product of price and quantity indices should equal the ratio of total values.

This question belongs to: Accountancy and Statistics Statistics