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JEE Advanced Mathematics question

MathematicsProbabilityJEE Advanced

An ordinary dice is rolled a certain number of times. The probability of getting an odd number 2 times is equal to the probability of getting an even number 3 times. Then the probability of getting an odd number an odd number of times is

Answer: (C)

Solution

Let the die be rolled times. In each roll . The condition says

{}^Missing argument for \tfrac\tfrac={}^Missing argument for \tfrac\tfrac

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Question ID VK-109776