The number of permutations of 10 different things taken 4 at a time in which one particular
thing never occurs is
(a) 3,020
(b) 3,025
(c) 3,024
(d) none of these
Answers
Answered by
0
Answer:
c)3024
Step-by-step explanation:
since one thing never occur, total number of available objects is only 9.
the number of permutations is 9p4
9p4=9!/5!
=3024
Similar questions