The number of sequences in which 7 players can throw a ball, so that the youngest player may not be the last is ?	Choices:	A) 2389	B) 2778	C) 4320	D) 1987	E) 1212
Explanation:   x Not younger_______ â†‘   The last ball can be thrown by any of the remaining 6 players. The first 6 players can throw the ball in â¶Pâ‚† ways.   The required number of ways = 6(6!) = 4320   Answer:4320
<result>C</result>
The number of sequences in which 7 players can throw a ball, so that the youngest player may not be the last is ?