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Question 14 - Week 6 Practice | Prasnya
Q14
00:00
1 Dec 2024
Q14.
Which of the following option(s) is/are correct for selecting and arranging
r
r
r
objects from a total of
n
n
n
distinct objects without replacement?
A
n
C
r
{}^{n}C_r
n
C
r
​
B
n
P
r
{}^{n}P_r
n
P
r
​
C
n
C
r
×
r
P
r
{}^{n}C_r\times{}^{r}P_r
n
C
r
​
×
r
P
r
​
D
n
C
r
×
n
!
{}^{n}C_r\times n!
n
C
r
​
×
n
!
Save
Check
Details
Q14
00:00
1 Dec 2024
Q14.
Which of the following option(s) is/are correct for selecting and arranging
r
r
r
objects from a total of
n
n
n
distinct objects without replacement?
A
n
C
r
{}^{n}C_r
n
C
r
​
B
n
P
r
{}^{n}P_r
n
P
r
​
C
n
C
r
×
r
P
r
{}^{n}C_r\times{}^{r}P_r
n
C
r
​
×
r
P
r
​
D
n
C
r
×
n
!
{}^{n}C_r\times n!
n
C
r
​
×
n
!
Save
Check
Details
