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MathsEasyMCQ2021 Ā· 27 Jul Shift 1

Q81.If log3 2, log3(2x āˆ’5), log3(2x āˆ’72 ) are in an arithmetic progression, then the value of x is equal to _____.

What This Question Tests

This question requires identifying the total number of 2-digit numbers and then counting the number of those for which the expression (2n-2) is a multiple of 3, and finally calculating the probability.

Concepts Tested

Counting principles (2-digit numbers)Multiples of a numberFavorable outcomesTotal outcomes

Formulas Used

P(E) = (Number of favorable outcomes) / (Total number of outcomes)

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šŸ“‹ Question Details

Chapter
Probability
Topic
Probability of an event
Year
2021
Shift
27 Jul Shift 1
Q Number
Q81
Type
MCQ
NCERT Ref
Class 11 Mathematics Ch 16: Probability

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