An urn contains 5 red and 2 |Probability |JEE MAIN 2019

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JEE MAIN 2019

09-01-19 S2

Question

An urn contains 5 red and 2 green balls. A ball is drawn at random from the urn. If the drawn ball is green, then a red ball is added to the urn and if the drawn ball is red, then a green ball is added to the urn; the original ball is not returned to the urn. Now, a second ball is drawn at random from it. The probability that the second ball is red, is

Select the correct option:

A

$\frac{26}{49}$

B

$\frac{19}{49}$

C

$\frac{21}{49}$

D

$\frac{32}{49}$

✓ Correct! Well done.

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