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RBI Grade B Officers Aug 2014 Paper
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© examsiri.com
Question :
127 of 200
Marks:
+1
,
-0
I
.
x
2
–
x
–
√
2
x
+
√
2
=
0
I
I
.
y
2
–
3
y
+
2
=
0
if x < y
if x
<
y
if x = y or the relation cannotbe established
if x
>
y
if x > y
Validate
Solution:
(2)
I
.
x
2
–
x
–
√
2
x
+
√
2
=
0
⇒
x
(
x
–
1
)
–
√
2
(
x
–
1
)
=
0
⇒
(
x
–
√
2
)
(
x
–
1
)
=
0
⇒
x
=
2
o
r
1
I
I
.
y
2
–
3
y
+
2
=
0
⇒
y
√
2
–
2
y
–
y
+
2
=
0
⇒
y
(
y
–
2
)
–
1
(
y
–
2
)
=
0
⇒
(
y
–
1
)
(
y
–
2
)
=
0
⇒
y
=
1
o
r
2
Clearly, x
<
y
© examsiri.com
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