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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VII - Algebraic Expressions
Question
1
1.
The value of
2
3
q
+
1
3
q
is
0
2
q
4
q
q
(
−
q
)
Question
2
2.
The value of
3
4
b
4
+
1
3
b
4
+
1
4
b
4
+
2
3
b
4
is
b
4
4
b
4
(
−
b
4
)
2
b
4
3
b
4
Question
3
3.
The value of
(
−
7
g
)
+
(
−
g
)
is
(
−
7
g
)
(
−
10
g
)
(
−
9
g
)
(
−
6
g
)
(
−
8
g
)
Question
4
4.
The value of the polynomial
(
p
+
6
)
at
p
=
1
,
q
=
4
,
r
=
0
is
4
10
6
7
8
Question
5
5.
The value of
(
−
4
t
5
)
−
6
t
5
−
t
5
is
(
−
12
t
5
)
(
−
13
t
5
)
(
−
8
t
5
)
(
−
11
t
5
)
(
−
10
t
5
)
Question
6
6.
The value of the polynomial
(
−
e
2
f
2
g
2
−
2
e
2
g
2
)
at
e
=
(-1)
,
f
=
5
,
g
=
(-1)
is
-25
-30
-27
-28
-26
Question
7
7.
The value of
1
4
q
3
−
1
4
q
3
is
0
1
(
−
3
)
2
(
−
1
)
Question
8
8.
Which of the following terms can be added to
5
v
2
u
w
?
(
−
2
u
2
v
w
2
)
u
v
2
w
2
(
−
8
u
2
v
2
w
)
(
−
7
u
v
2
w
)
(
−
3
u
2
v
w
)
Question
9
9.
Which of the following algebraic expressions is a trinomial?
(
−
5
c
4
−
3
c
3
−
2
c
2
+
7
c
+
6
)
(
7
c
4
−
2
c
3
−
6
c
2
−
6
c
−
3
)
(
−
c
3
−
6
c
2
+
8
)
(
−
5
c
2
)
(
7
c
3
+
2
c
)
Question
10
10.
The coefficient of term
m
in polynomial
(
3
m
3
−
9
m
2
+
7
m
−
2
)
is
7
6
9
5
8
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