4
You visited us
4
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard VI
Mathematics
How Many Numbers Can Be Formed Using a Certain Number of Digits?
If 3 × 2- is ...
Question
If
3
x
2
¯
is a multiple of 11, where x is a digit, what is the value of x?
Open in App
Solution
Sum
of
the
digits
at
odd
places
=
3
+
2
=
5
Sum
of
the
digit
at
even
place
=
x
∴
Sum
of
the
digit
at
even
place
-
Sum
of
the
digits
at
odd
places
=
(
x
-
5
)
∵
(
x
-
5
)
must
be
multiple
by
11
.
∴
Possible
values
of
(
x
-
5
)
are
0
,
11
,
22
,
33
.
.
.
But
x
is
a
digit
;
therefore
x
must
be
0
,
1
,
2
,
3
.
.
.
9
.
∴
x
-
5
=
0
⇒
x
=
5
Suggest Corrections
0
Similar questions
Q.
If
24
x
is a three digit number and a multiple of
3
, where
x
is a digit, what is the value of
x
?
Q.
lf 24x is a multiple of 3, where x is a digit, what
is the value of x?
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Ascending and Descending Order and Shifting Digits
MATHEMATICS
Watch in App
Explore more
How Many Numbers Can Be Formed Using a Certain Number of Digits?
Standard VI Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app