Statistics and Probability: JEE Main 2023 Mathematics question

JEE Main 2023 · 24 Jan, Evening shift · Q41

JEE Main 202324 Jan, Evening shiftMathematicsHardStatistics and Probability258× since 2002

Three urns A, B and C contain 4 red, 6 black; 5 red, 5 black; and

\lambda

red, 4 black balls respectively. One of the urns is selected at random and a ball is drawn. If the ball drawn is red and the probability that it is drawn from urn C is 0.4 then the square of the length of the side of the largest equilateral triangle, inscribed in the parabola

y^2=\lambda x

with one vertex at the vertex of the parabola, is :

Your answerType your answer. Integers and decimals are accepted.

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