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SSC Board Practice
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Class VI
Class VII
Class VIII
Class IX
Class X
SSC Grade VII - Algebraic Expressions
Question
1
1.
The value of the polynomial
(
−
9
y
2
+
y
+
4
)
at
y
=
(-4)
is
-141
-144
-145
-143
-146
Question
2
2.
If
A
=
(
r
s
+
3
r
t
)
,
B
=
(
−
5
r
s
t
−
r
)
and
C
=
(
4
r
t
−
4
s
t
)
then
(
A
−
3
B
+
C
)
=
(
16
r
s
t
+
r
s
+
7
r
t
+
3
r
−
4
s
t
)
(
14
r
s
t
+
r
s
+
7
r
t
+
3
r
−
4
s
t
)
(
15
r
s
t
+
r
s
+
7
r
t
+
3
r
−
4
s
t
)
(
15
r
s
t
+
4
r
s
+
7
r
t
+
3
r
−
4
s
t
)
(
15
r
s
t
−
r
s
+
7
r
t
+
3
r
−
4
s
t
)
Question
3
3.
The value of
1
2
z
2
−
1
3
z
2
−
1
2
z
2
is
(
−
1
5
z
2
)
(
−
1
3
z
2
)
1
3
z
2
(
−
z
2
)
Question
4
4.
The value of the polynomial
(
−
3
g
h
2
+
8
g
+
8
h
2
)
at
f
=
(-5)
,
g
=
(-2)
,
h
=
3
is
107
109
110
111
112
Question
5
5.
The value of
(
−
7
g
2
)
−
g
2
−
g
2
is
(
−
9
g
2
)
(
−
10
g
2
)
(
−
8
g
2
)
(
−
11
g
2
)
(
−
7
g
2
)
Question
6
6.
The value of
6
e
2
+
3
e
2
+
6
e
2
is
15
e
2
14
e
2
18
e
2
16
e
2
13
e
2
Question
7
7.
The degree of the polynomial
(
7
k
4
+
9
k
3
−
3
k
2
)
is
3
4
2
6
5
Question
8
8.
The value of
8
k
2
l
2
+
(
−
3
k
2
l
2
)
+
9
k
2
l
2
+
2
k
2
l
2
is
16
k
2
l
2
18
k
2
l
2
17
k
2
l
2
14
k
2
l
2
15
k
2
l
2
Question
9
9.
The value of
(
−
n
3
)
−
(
−
7
n
3
)
is
9
n
3
6
n
3
4
n
3
5
n
3
7
n
3
Question
10
10.
The coefficient of term
e
in polynomial
(
−
4
e
+
4
)
is
-3
-5
-2
-7
-4
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