Twenty participants are participating in a competition. In how many ways can the first three prizes be won?	Choose the correct option
A) 920	B) 680	C) 820	D) 720	E) 6840
Out of 20 participants, the first three prizes can be won in,   20P3 = 20! / (20 - 3)!   = 20 x 19 x18   = 6840 ways   ANSW6840R:6840
<result>E</result>
Twenty participants are participating in a competition. In how many ways can the first three prizes be won?