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Red and Black Card Pair Sum

1350ApprenticeCombinatoricsProbability

AMC 8 · 2007 · Problem 21

Two cards are dealt from a deck of four red cards labeled $A, B, C, D$ and four green cards labeled $A, B, C, D$. A winning pair is two of the same color or two of the same letter. What is the probability of drawing a winning pair?

Answer choices

A
\frac{2}{7}
B
\frac{3}{8}
C
\frac{1}{2}
D
\frac{4}{7}
E
\frac{5}{8}
0 students attempted0% solvedRating 1350

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