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JEE Mains 13-Apr-2023 Shift 2 Solved Paper
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© examsnet.com
Question : 24
Total: 90
Total numbers of 3-digit numbers that are divisible by 6 and can be formed by using the digits 1, 2, 3, 4, 5 with repetition, is _______.
[13-Apr-2023 shift 2]
Your Answer:
Validate
Solution:
a
b
2
(
a
,
b
)
=
(
1
,
3
)
,
(
3
,
1
)
,
(
2
,
2
)
,
(
2
,
5
)
,
(
5
,
2
)
,
(
3
,
4
)
,
(
4
,
3
)
,
(
5
,
5
)
=
8
numbers
a
b
4
(
a
,
b
)
=
(
1
,
1
)
,
(
1
,
4
)
,
(
4
,
1
)
,
(
2
,
3
)
,
(
3
,
2
)
(
4
,
4
)
,
(
3
,
5
)
,
(
5
,
3
)
=
8
numbers
total
8
+
8
=
16
© examsnet.com
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