Jack is making a list of his 5 favorite cities. He will choose 3 cities from pool A with 5 in the pool. From Pool B with 3 he choose 2. How many different lists of cities ranked from first to fifth can he make?
A 30
B 360
C 1800
D 3600
E 6720
OA D
I have a doubt after calculating 5C3 and 3C2 you get 30 possible cities which could be ranked from first and fifth. So we get a permutation of 30P5, which is not listed in the choices, where am I going wrong?
A 30
B 360
C 1800
D 3600
E 6720
OA D
I have a doubt after calculating 5C3 and 3C2 you get 30 possible cities which could be ranked from first and fifth. So we get a permutation of 30P5, which is not listed in the choices, where am I going wrong?
