In how many ways can 2 cards of queen or king can be selected from a w – InterviewSolution

InterviewSolution

1.

In how many ways can 2 cards of queen or king can be selected from a well shuffled pack of 52 cards?

Answer»

In a pack of 52 cards, there are 4 cards of king and 4 cards of queen.

From well shuffled pack of 52 cards, 2 cards of queen

OR

2 cards of king can be selected in ⁴C₂ +⁴C₂ ways.

∴ Total combinations = ⁴C₂ + ⁴C₂

\(\frac{4×3}{2×1} + \frac{4×3}{2×1}\)

= 6 + 6 = 12

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