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Byju's Answer
Standard VI
Mathematics
LCM
If 12+1 x =2,...
Question
If
1
2
+
1
x
=
2
, then x =
(a)
2
5
(b)
5
2
(c)
3
2
(d)
2
3
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Solution
(d)
2
3
1
2
+
1
x
=
2
1
x
=
2
1
-
1
2
1
x
=
2
×
2
1
×
2
-
1
×
1
2
×
1
=
4
2
-
1
2
=
4
-
1
2
(
Because
LCM
of
1
,
2
is
2
)
1
x
=
3
2
x
=
2
3
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Q.
If x =
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