Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Engineering Mathematics Probability Conditional Probability
An urn contains 5 red ball and 5 black balls. In the first draw, one ball is picked at random and discarded without noticing its colour. The probability to get a red ball in the second draw is
1
\(\frac{1}{2}\)
2
\(\frac{4}{9}\)
3
\(\frac{5}{9}\)
4
\(\frac{6}{9}\)