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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VII - Algebraic Expressions
Question
1
1.
Which of the following terms can be added to
(
−
8
g
)
?
(
−
e
)
7
g
7
f
g
(
−
6
e
f
g
)
(
−
5
e
g
)
Question
2
2.
The coefficient of term
q
2
r
3
in polynomial
(
8
p
3
q
2
+
6
p
2
q
r
3
+
3
p
q
3
r
2
−
8
p
q
+
3
q
2
r
3
+
7
q
2
r
2
+
7
q
)
is
5
4
2
1
3
Question
3
3.
The value of
2
3
m
5
−
2
5
m
5
−
1
2
m
5
is
(
−
3
10
m
5
)
(
−
7
30
m
5
)
(
−
1
4
m
5
)
(
−
1
6
m
5
)
(
−
7
32
m
5
)
Question
4
4.
The value of
(
9
d
+
6
)
+
(
−
d
−
2
)
is
(
5
d
+
4
)
(
9
d
+
4
)
(
7
d
+
4
)
(
8
d
+
4
)
(
11
d
+
4
)
Question
5
5.
The value of
(
−
7
k
4
+
4
k
−
7
)
+
(
k
4
−
5
k
2
−
k
)
+
(
k
5
−
9
k
4
−
4
k
3
)
+
(
8
k
4
−
6
k
3
+
9
k
2
)
is
(
−
7
k
4
−
10
k
3
+
4
k
2
+
3
k
−
7
)
(
−
2
k
5
−
7
k
4
−
10
k
3
+
4
k
2
+
3
k
−
7
)
(
3
k
5
−
7
k
4
−
10
k
3
+
4
k
2
+
3
k
−
7
)
(
2
k
5
−
7
k
4
−
10
k
3
+
4
k
2
+
3
k
−
7
)
(
k
5
−
7
k
4
−
10
k
3
+
4
k
2
+
3
k
−
7
)
Question
6
6.
The value of the polynomial
3
at
r
=
(-1)
,
s
=
0
,
t
=
3
is
0
5
3
4
2
Question
7
7.
The value of the polynomial
(
−
6
r
2
s
2
t
+
9
r
2
−
9
r
s
t
)
at
r
=
(-2)
,
s
=
(-4)
,
t
=
2
is
-877
-876
-878
-873
-875
Question
8
8.
Which of the following is a like term of
8
d
e
?
8
e
2
6
4
d
e
6
d
2
e
6
d
Question
9
9.
The value of the polynomial
(
−
6
w
x
y
+
8
w
x
)
at
w
=
3
,
x
=
(-5)
,
y
=
3
is
149
150
153
148
151
Question
10
10.
The sum of the expressions
(
2
i
j
−
8
i
+
7
)
,
(
6
i
j
+
6
i
−
3
j
)
,
(
7
i
j
−
3
i
−
4
j
)
,
(
3
i
j
+
2
j
−
3
)
,
(
−
8
i
j
+
2
j
+
4
)
is
(
11
i
j
−
5
i
−
3
j
+
8
)
(
10
i
j
−
5
i
−
3
j
+
8
)
(
9
i
j
−
5
i
−
3
j
+
8
)
(
10
i
j
−
3
i
−
3
j
+
8
)
(
10
i
j
−
7
i
−
3
j
+
8
)
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