JEE Main 2024 Mathematics question
Two marbles are drawn in succession from a box containing 10 red, 30 white, 20 blue and 15 orange marbles, with replacement being made after each drawing. Then the probability, that first drawn marble is red and second drawn marble is white, is
Answer: (A)
Solution
There are 75 marbles. P(red first) = 10/75 and P(white second) = 30/75,
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