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IBPS Clerk Mains 2018 Paper
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© examsiri.com
Question :
66 of 190
Marks:
+1
,
-0
I
.
2
x
2
–
11
x
+
15
=
0
I
I
.
4
y
2
+
13
y
+
9
=
0
if x < y
if x
<
y
if x > y
if x
>
y
if x = y or the relationship cannot be established
Validate
Solution:
(c)
I
.
2
x
2
–
11
x
+
15
=
0
⇒
2
x
2
–
6
x
–
5
x
+
15
=
0
⇒
2
x
(
x
–
3
)
–
5
(
x
–
3
)
=
0
⇒
(
x
–
3
)
(
2
x
–
5
)
=
0
⇒
x
=
3
,
5
2
I
I
.
4
y
²
+
13
y
+
9
=
0
⇒
4
y
2
+
4
y
+
9
y
+
9
=
0
(
y
+
1
)
(
4
y
+
9
)
=
0
⇒
y
=
–
1
,
–
9
4
x
>
y
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