P & C -1

There are 12 shot putters in Olympic finals. In how many ways can Gold, Silver and Bronze medals can be awarded ?
(A) 220        (B) 1320      (C) 1728         (D) 531441 (E) None of these  
To find the answer with explanation, click on “Read more” below:

Solution:

Gold, Silver and Bronze medals are awarded for first, second and third winners respectively. So “order” shall be considered here. So we go for “Permutations” rather than “Combinations”.

3 permutations out of 12    = 12P3 = 12 * 11 * 10 = 1320        Answer (B)