Mathematics - Probability Question with Solution | TestHub

MathematicsProbabilityGeneral (Event SS, Definitions, Odd against/Favour)Hard2 minPYQ_2024

MathematicsHardsingle choice

If an unbiased dice is rolled thrice, then the probability of getting a greater number in the $i^{th}$ roll than the number obtained in the $(i - 1)^{th}$ roll, $i = 2, 3$ , is equal to

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Answer:

Solution:

Favourable cases $=^{6} C_{3}$ Total out comes $= 6^{3}$ Probability of getting greater number than previous $one = \frac{^{6} C _{3}}{r ^{3}} = \frac{20}{216} = \frac{5}{54}$

Stream:JEESubject:MathematicsTopic:ProbabilitySubtopic:General (Event SS, Definitions, Odd against/Favour)

⏱ 2mℹ️ Source: PYQ_2024

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