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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade VI - Operations on Algebraic Expressions
Question
1
1.
The value of
(
−
8
a
2
b
c
2
)
✕
3
a
2
b
c
2
is
(
−
21
a
4
b
2
c
4
)
(
−
23
a
4
b
2
c
4
)
(
−
24
a
4
b
2
c
4
)
(
−
27
a
4
b
2
c
4
)
(
−
25
a
4
b
2
c
4
)
Question
2
2.
The value of
(
−
9
v
2
w
2
)
+
3
v
2
w
2
+
7
v
2
w
2
+
(
−
6
v
2
w
2
)
is
(
−
2
v
2
w
2
)
(
−
4
v
2
w
2
)
(
−
7
v
2
w
2
)
(
−
5
v
2
w
2
)
(
−
6
v
2
w
2
)
Question
3
3.
The value of
1
3
r
✕
1
2
r
is
1
8
r
2
(
−
1
6
r
2
)
1
2
r
2
1
4
r
2
1
6
r
2
Question
4
4.
Which of the following terms can be added to
(
−
5
d
3
)
?
8
d
4
d
(
−
1
)
(
−
7
d
3
)
(
−
3
d
2
)
Question
5
5.
The sum of the terms
(
−
1
)
,
2
a
,
7
a
,
(
−
7
a
)
,
7
is
(
3
a
+
6
)
(
2
a
+
8
)
(
2
a
+
6
)
(
a
+
6
)
(
2
a
+
3
)
Question
6
6.
The value of
(
−
6
e
−
5
)
✕
(
2
e
2
f
2
+
6
e
f
)
is
(
−
12
e
3
f
2
−
12
e
2
f
2
−
36
e
2
f
−
30
e
f
)
(
−
12
e
3
f
2
−
10
e
2
f
2
−
36
e
2
f
−
30
e
f
)
(
−
12
e
3
f
2
−
7
e
2
f
2
−
36
e
2
f
−
30
e
f
)
(
−
11
e
3
f
2
−
10
e
2
f
2
−
36
e
2
f
−
30
e
f
)
(
−
13
e
3
f
2
−
10
e
2
f
2
−
36
e
2
f
−
30
e
f
)
Question
7
7.
Which of the following terms can be subtracted from
9
m
n
l
?
7
l
2
m
2
n
2
4
l
2
m
n
5
l
m
2
n
7
l
m
n
2
3
l
m
n
Question
8
8.
The value of
(
7
k
4
+
3
k
2
+
9
)
−
(
−
6
k
3
+
9
k
−
6
)
−
(
k
5
−
5
k
2
+
9
)
is
(
−
3
k
5
+
7
k
4
+
6
k
3
+
8
k
2
−
9
k
+
6
)
(
k
5
+
7
k
4
+
6
k
3
+
8
k
2
−
9
k
+
6
)
(
−
k
5
+
7
k
4
+
6
k
3
+
8
k
2
−
9
k
+
6
)
(
−
2
k
5
+
7
k
4
+
6
k
3
+
8
k
2
−
9
k
+
6
)
(
7
k
4
+
6
k
3
+
8
k
2
−
9
k
+
6
)
Question
9
9.
The value of
(
−
2
n
)
−
(
−
6
n
)
is
5
n
6
n
4
n
2
n
3
n
Question
10
10.
The value of
9
u
2
v
2
w
2
−
u
2
v
2
w
2
−
9
u
2
v
2
w
2
−
3
u
2
v
2
w
2
is
(
−
5
u
2
v
2
w
2
)
(
−
2
u
2
v
2
w
2
)
(
−
4
u
2
v
2
w
2
)
(
−
7
u
2
v
2
w
2
)
(
−
3
u
2
v
2
w
2
)
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