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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
7
g
2
h
2
+
(
−
5
g
2
h
2
)
+
(
−
7
g
2
h
2
)
+
9
g
2
h
2
is
6
g
2
h
2
2
g
2
h
2
3
g
2
h
2
5
g
2
h
2
4
g
2
h
2
Question
2
2.
The sum of the terms
(
−
9
)
,
o
p
,
(
−
2
o
p
)
,
(
−
p
)
,
4
is
(
−
o
p
+
p
−
5
)
(
−
2
o
p
−
p
−
5
)
(
−
o
p
−
p
−
5
)
(
−
o
p
−
4
p
−
5
)
(
−
p
−
5
)
Question
3
3.
The sum of the expressions
(
−
4
e
f
−
6
)
,
(
−
2
e
−
3
f
)
,
(
−
5
e
−
4
f
)
,
(
−
9
e
+
8
f
)
,
(
3
e
−
4
)
is
(
−
5
e
f
−
13
e
+
f
−
10
)
(
−
3
e
f
−
13
e
+
f
−
10
)
(
−
4
e
f
−
10
e
+
f
−
10
)
(
−
4
e
f
−
13
e
+
f
−
10
)
(
−
4
e
f
−
16
e
+
f
−
10
)
Question
4
4.
Which of the following algebraic expressions is a binomial?
(
4
y
4
+
8
y
3
+
8
y
2
−
5
y
+
1
)
(
7
y
4
−
4
y
2
+
2
)
(
−
2
y
)
(
−
6
y
4
−
3
y
3
+
6
y
2
−
5
y
−
9
)
(
−
5
y
+
7
)
Question
5
5.
The value of
2
3
i
j
−
1
3
i
j
−
1
2
i
j
−
1
2
i
j
is
0
(
−
2
i
j
)
(
−
2
3
i
j
)
(
−
4
3
i
j
)
(
−
2
5
i
j
)
Question
6
6.
Which of the following algebraic expressions is a monomial?
(
−
5
s
2
−
2
t
3
u
3
)
(
s
2
t
3
u
3
+
5
s
2
t
3
u
2
−
7
s
2
t
2
−
7
t
2
)
(
3
s
3
t
3
u
3
+
3
s
3
u
2
+
7
s
t
2
u
2
+
7
u
)
(
−
4
s
t
u
)
(
2
s
t
u
3
+
2
s
u
2
+
7
t
3
u
)
Question
7
7.
The value of
9
m
2
n
2
o
2
−
(
−
7
m
2
n
2
o
2
)
is
17
m
2
n
2
o
2
16
m
2
n
2
o
2
15
m
2
n
2
o
2
19
m
2
n
2
o
2
13
m
2
n
2
o
2
Question
8
8.
The value of the polynomial
(
−
9
j
k
2
)
at
j
=
3
,
k
=
(-1)
,
l
=
2
is
-29
-25
-28
-27
-26
Question
9
9.
The value of the polynomial
(
−
9
u
2
v
w
−
7
w
2
)
at
u
=
(-2)
,
v
=
(-3)
,
w
=
(-5)
is
-716
-712
-717
-715
-714
Question
10
10.
The value of the polynomial
(
4
r
3
−
6
r
2
−
8
r
)
at
r
=
(-1)
is
-1
1
-4
-3
-2
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