JEE Main 2019 · 9 Jan · Shift II

JEE Main 2019 Mathematics question on Probability

A pot contain 5 red and 2 green balls. At random a ball is drawn from this pot. If a drawn ball is green then put a red ball in the pot and if a drawn ball is red, then put a green ball in the pot, while drawn ball is not replace in the pot. Now we draw another ball randomly, the probability of second ball to be red is
  1. A.
    2749\frac{27}{49}
  2. B.
    2649\frac{26}{49}
  3. C.
    4549\frac{45}{49}
  4. D.
    3249\frac{32}{49}
Show answer

Correct option: D

[JEE Main 2019 · 9 Jan · Shift II]

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