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Byju's Answer
Standard VIII
Mathematics
Reversing the 2 Digit Numbers and Adding Them
Replace A, B,...
Question
Replace A, B, C by suitable numerals.
A
B
×
3
C
A
B
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Solution
(
B
×
3
)
=
B
Then
,
B
can
either
be
0
or
5
.
If
B
is
5
,
then
1
will
be
carried
.
Then
,
A
×
3
+
1
=
A
will
not
be
possible
for
any
number
.
∴
B
=
0
A
×
3
=
A
is
possible
for
either
0
or
5
.
If
we
take
A
=
0
,
then
all
number
will
become
0
.
However
,
this
is
not
possible
.
∴
A
=
5
Then
,
1
will
be
carried
.
∴
C
=
1
∴
A
=
5
,
B
=
0
and
C
=
1
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0
Similar questions
Q.
Replace A, B, C by suitable numerals.
A
B
×
B
A
(
B
+
1
)
C
B