Multiple choice

There is 1 white(W) ,1 red(R) and 1 blue (B) ball , What are the different possible combinations to select two different balls?

  1. WR,RB,WB

  2. WB,WR,WB

  3. WW,WB,BB

  4. WR,RR,RB
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A Correct answer
Explanation

Selecting two different balls from {W, R, B} results in combinations {W, R}, {R, B}, and {W, B}. Order does not matter for combinations.

AI explanation

We need to form combinations of two different balls from three distinct colors: white, red and blue. The possible unique pairs are white and red, red and blue, and white and blue. Therefore, the different possible combinations are WR, RB and WB.

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