An urn contains 6 balls of which two are red and four are black. Two balls are drawn at random. Probability that they are of the different colour is:
A. \(\frac{2}{5}\)
B. \(\frac{1}{15}\)
C. \(\frac{8}{15}\)
D. \(\frac{4}{15}\)
Answer:D
An urn contains 6 balls of which two are red and four are black. Two balls are drawn at random. Probability that they are of the different colour is:
A. \(\frac{2}{5}\) B. \(\frac{1}{15}\) C. \(\frac{8}{15}\) D. \(\frac{4}{15}\)