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Byju's Answer
Standard XII
Mathematics
Fundamental Principle of Counting
In how many w...
Question
In how many ways can
12
things be divided equally among
4
persons?
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Solution
As there are
12
things that needs to be divided amongst
4
people, so each person would get
3
things.
Number of ways of selecting
3
things out of
12
things for
1
s
t
person =
12
C
3
=
220
ways.
Number of ways of selecting
3
things out of
9
things for
2
n
d
person =
9
C
3
=
84
ways.
Number of ways of selecting
3
things out of
6
things for
3
r
d
person =
6
C
3
=
20
ways.
Number of ways of selecting
3
things out of
3
things for
4
t
h
person =
3
C
3
=
1
way.
Hence, total number of ways
=
220
×
84
×
20
=
369600
ways.
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