The probability that a randomly chosen number from 1 to 100 is divisible by 7 or 11 is: MCQ with Answer and Explanation

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The probability that a randomly chosen number from 1 to 100 is divisible by 7 or 11 is:

A. 22/100

B. 20/100

C. 23/100

D. 25/100

Answer: Option A

Solution (By JKSSB Mock Tests)

Multiples of 7: 14; of 11: 9; of 77: 1. Total = 14+9-1=22. P=22/100.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Which of the following is not a measure of dispersion?

A. Range

B. Mode

C. Variance

D. Standard deviation

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Correct Answer: Option B

Explanation:
Mode is a measure of central tendency.

This question belongs to: Accountancy and Statistics Statistics

Question #2

In a class, 60% students pass in English and 70% in Mathematics. 20% fail in both. The percentage that pass in at least one subject is:

A. 50%

B. 80%

C. 60%

D. 90%

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Correct Answer: Option B

Explanation:
Pass in at least one = 100% - fail in both = 100% - 20% = 80%.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Which index method is best suited when a new commodity is introduced frequently over consecutive years?

A. Laspeyres Method

B. Simple Aggregative Method

C. Fixed Base Index

D. Chain Base Index

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Correct Answer: Option D

Explanation:
The Chain Base method allows for the easy inclusion or deletion of items year-by-year, maintaining relevance.

This question belongs to: Accountancy and Statistics Statistics

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