Question 14 - Week 6 Practice | Prasnya
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Week 6
Question 14
00:00
Est. 1 min
Marks:
+2.00
0.00
Which of the following option(s) is/are correct for selecting and arranging
r
r
objects from a total of
n
n
distinct objects without replacement?
Multiple correct
Easy Difficulty
01 December 2024
A
n
C
r
{}^{n}C_r
B
n
P
r
{}^{n}P_r
C
n
C
r
×
r
P
r
{}^{n}C_r\times{}^{r}P_r
D
n
C
r
×
n
!
{}^{n}C_r\times n!
