The number of sequences in which 7 players can throw a ball, so that the youngest player may not be the last is -.
Choose the correct choice from the following answers.
A) 1879 B) 7899 C) 4320 D) 1680 E) 1692
x Not younger_______ ↑   The last ball can be thrown by any of the remaining 6 players. The first 6 players can throw the ball in ⁶P₆ 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 -.