Thread: Q in permutations and Combinations

1. Q in permutations and Combinations

Q in permutations and Combinations

Out of a standerd 52 - card deck . how many 6-card will hearts and 2 clube ?

13 C 4 X 13 C 2

= 715 X 78 = 55.770

My answer: . $_{13}C_4 \times _{13}C_2 \;=\; 715 \times 78 \;=\; 55,\!770$