Onto Functions Count (Jee Mains) | ExamDuo
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Permutations
Medium
Onto Functions Count
Let
R
=
{
a
,
b
,
c
,
d
,
e
}
and
S
=
{
1
,
2
,
3
,
4
}
. Total number of onto functions
f
:
R
→
S
such that
f
(
a
)
≠
1
, is equal to _______.
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