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  1. If  
    x
    =
    4
    , then the value of
    4
    +
    2y − x
    is
    y572y + x
    1. 3
      7
    2. 1
      1
      7
    3. 1
    4. 2
Correct Option: C

x
=
4
  (Given)
y5

Expression =
4
+
2y − x
72y + x

= (4/7) +
2y
x
yy
2y
+
x
yy

= (4/7) + 2 −
x
y
2 +
x
y

= (4/7) + 2 −
4
5
2 +
4
5

= (4/7) +
10 − 4
5
10 + 4
5

=
4
+
16
714

=
4
+
3
=
7
= 1
777



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