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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
d
e
−
7
)
✕
(
−
6
d
e
+
d
)
is
(
49
d
2
e
2
−
8
d
2
e
+
42
d
e
−
7
d
)
(
48
d
2
e
2
−
5
d
2
e
+
42
d
e
−
7
d
)
(
48
d
2
e
2
−
10
d
2
e
+
42
d
e
−
7
d
)
(
48
d
2
e
2
−
8
d
2
e
+
42
d
e
−
7
d
)
(
47
d
2
e
2
−
8
d
2
e
+
42
d
e
−
7
d
)
Question
2
2.
The value of
(
−
3
u
4
−
u
3
+
7
)
−
(
5
u
3
+
9
u
2
+
8
)
−
(
8
u
4
−
3
u
2
+
u
)
is
(
−
11
u
4
−
6
u
3
−
6
u
2
−
u
−
1
)
(
−
10
u
4
−
6
u
3
−
6
u
2
−
u
−
1
)
(
−
9
u
4
−
6
u
3
−
6
u
2
−
u
−
1
)
(
−
13
u
4
−
6
u
3
−
6
u
2
−
u
−
1
)
(
−
12
u
4
−
6
u
3
−
6
u
2
−
u
−
1
)
Question
3
3.
Which of the following is a like term of
7
o
p
q
2
?
(
−
7
)
5
o
q
2
6
o
p
q
2
(
−
4
o
)
(
−
3
o
p
2
q
2
)
Question
4
4.
The value of
1
2
s
✕
1
2
✕
1
3
is
1
4
s
1
10
s
1
12
s
1
14
s
(
−
1
12
s
)
Question
5
5.
The value of
1
2
(
1
2
d
e
+
4
5
d
)
is
(
1
2
d
e
+
2
5
d
)
(
1
6
d
e
+
2
5
d
)
(
1
4
d
e
+
4
5
d
)
1
4
d
e
(
1
4
d
e
+
2
5
d
)
Question
6
6.
Which of the following terms can be subtracted from
(
−
5
k
l
)
?
9
j
l
(
−
8
l
)
7
j
k
l
(
−
7
k
l
)
9
Question
7
7.
The value of
(
−
2
r
)
(
−
5
q
r
2
s
−
5
r
2
s
2
+
3
)
is
(
9
q
r
3
s
+
10
r
3
s
2
−
6
r
)
(
10
q
r
3
s
+
13
r
3
s
2
−
6
r
)
(
10
q
r
3
s
+
8
r
3
s
2
−
6
r
)
(
10
q
r
3
s
+
10
r
3
s
2
−
6
r
)
(
11
q
r
3
s
+
10
r
3
s
2
−
6
r
)
Question
8
8.
The value of
4
o
2
p
2
q
2
−
9
o
2
p
2
q
2
is
(
−
7
o
2
p
2
q
2
)
(
−
3
o
2
p
2
q
2
)
(
−
4
o
2
p
2
q
2
)
(
−
6
o
2
p
2
q
2
)
(
−
5
o
2
p
2
q
2
)
Question
9
9.
The value of
1
2
j
k
(
1
2
i
2
j
k
+
3
5
i
k
2
+
1
3
j
2
k
2
)
is
(
1
4
i
2
j
2
k
2
+
3
10
i
j
k
3
+
1
6
j
3
k
3
)
(
1
6
i
2
j
2
k
2
+
3
10
i
j
k
3
+
1
6
j
3
k
3
)
(
1
4
i
2
j
2
k
2
+
1
10
i
j
k
3
+
1
6
j
3
k
3
)
(
1
4
i
2
j
2
k
2
+
1
2
i
j
k
3
+
1
6
j
3
k
3
)
(
1
2
i
2
j
2
k
2
+
3
10
i
j
k
3
+
1
6
j
3
k
3
)
Question
10
10.
The value of
(
−
5
h
)
(
−
5
g
2
h
+
2
g
2
)
is
(
25
g
2
h
2
−
13
g
2
h
)
(
24
g
2
h
2
−
10
g
2
h
)
(
25
g
2
h
2
−
10
g
2
h
)
(
25
g
2
h
2
−
7
g
2
h
)
(
26
g
2
h
2
−
10
g
2
h
)
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