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Z04 Math
Question 47
2021 April(Z04) Math Question 47
Probability
- Combinations
Permutations
Choice D
n
P
r
=
n
!
(
n
−
r
)
!
6
P
3
=
6
!
(
6
−
3
)
!
=
6
×
5
×
4
=
120
Skills you are tested for:
Permutations
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