Question:medium

A bag contains 3 red, 4 white and 5 blue balls. If two balls are drawn at random, then the probability that they are of different colours is:

Show Hint

When asked for "different colors" with more than two types, always consider the "1 minus same color" approach. It involves 3 simple combinations instead of calculating Red-White, Red-Blue, and White-Blue pairs separately.
Updated On: May 2, 2026
  • $\frac{47}{66}$
  • $\frac{23}{33}$
  • $\frac{47}{132}$
  • $\frac{47}{33}$
  • $\frac{70}{33}$
Show Solution

The Correct Option is A

Solution and Explanation

Was this answer helpful?
0