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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade VIII - Fundamental Concepts
Question
1
1.
Which of the following algebraic expressions is a trinomial?
(
3
n
3
o
3
p
−
7
n
2
o
3
−
9
n
o
p
2
)
(
9
n
3
o
p
3
−
3
n
3
p
−
2
n
−
9
)
(
−
4
n
3
o
3
p
)
(
3
n
3
p
2
−
9
n
o
2
p
3
+
o
3
p
2
−
o
2
p
3
)
(
−
n
3
o
+
3
n
o
3
)
Question
2
2.
The value of
(
−
9
p
q
−
2
)
✕
(
−
9
q
−
1
)
is
(
80
p
q
2
+
9
p
q
+
18
q
+
2
)
(
81
p
q
2
+
9
p
q
+
18
q
+
2
)
(
81
p
q
2
+
7
p
q
+
18
q
+
2
)
(
82
p
q
2
+
9
p
q
+
18
q
+
2
)
(
81
p
q
2
+
11
p
q
+
18
q
+
2
)
Question
3
3.
The value of
1
2
s
t
−
3
5
s
t
−
1
4
s
t
−
1
2
s
t
is
(
−
17
22
s
t
)
(
−
17
20
s
t
)
(
−
3
4
s
t
)
(
−
17
18
s
t
)
(
−
19
20
s
t
)
Question
4
4.
The value of the polynomial
(
−
5
p
2
q
2
+
8
p
2
q
r
2
−
5
q
2
r
2
)
at
p
=
3
,
q
=
(-2)
,
r
=
(-4)
is
-2804
-2805
-2806
-2803
-2802
Question
5
5.
The sum of the expressions
(
−
8
d
e
−
9
)
,
(
−
d
e
−
4
)
,
(
3
e
+
7
)
,
(
−
9
d
+
11
e
)
,
(
4
d
e
−
4
)
is
(
−
5
d
e
−
11
d
+
14
e
−
10
)
(
−
5
d
e
−
6
d
+
14
e
−
10
)
(
−
6
d
e
−
9
d
+
14
e
−
10
)
(
−
5
d
e
−
9
d
+
14
e
−
10
)
(
−
4
d
e
−
9
d
+
14
e
−
10
)
Question
6
6.
The constant term in polynomial
(
z
3
+
8
z
2
−
9
z
−
6
)
is
-6
-8
-5
-7
-3
Question
7
7.
The coefficient of term
x
in polynomial
(
−
9
x
2
−
8
x
+
3
)
is
-9
-8
-6
-10
-7
Question
8
8.
The sum of the terms
(
−
9
b
c
)
,
3
b
c
d
,
4
b
,
3
,
(
−
b
)
is
(
3
b
c
d
−
9
b
c
+
3
b
+
3
)
(
4
b
c
d
−
9
b
c
+
3
b
+
3
)
(
3
b
c
d
−
7
b
c
+
3
b
+
3
)
(
3
b
c
d
−
12
b
c
+
3
b
+
3
)
(
2
b
c
d
−
9
b
c
+
3
b
+
3
)
Question
9
9.
The value of the polynomial
(
9
v
w
2
x
−
v
x
2
+
9
w
x
2
)
at
v
=
1
,
w
=
0
,
x
=
5
is
-23
-28
-25
-24
-26
Question
10
10.
The value of
2
k
2
−
(
−
7
k
2
)
−
(
−
5
k
2
)
is
12
k
2
15
k
2
14
k
2
17
k
2
13
k
2
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