Statistics and Probability: JEE Main 2025 Mathematics question

JEE Main 2025 · January, Unspecified (session-level dataset) · Q142

JEE Main 2025January, Unspecified (session-level dataset)MathematicsMediumStatistics and Probability258× since 2002

Bag 1 contains 4 white balls and 5 black balls, and Bag 2 contains

n

white balls and 3 black balls. One ball is drawn randomly from Bag 1 and transferred to Bag 2. A ball is then drawn randomly from Bag 2. If the probability that the ball drawn is white is

\frac{29}{45}

, then

n

is equal to:

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JEE Main 2025 Statistics and Probability Question with Solution (January Unspecified (session-level dataset), Q142) | JEE Arc