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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
(
−
3
a
b
2
−
4
a
b
−
a
−
8
)
−
(
−
16
a
2
b
2
−
4
a
2
+
3
a
+
5
)
is
(
15
a
2
b
2
+
4
a
2
−
3
a
b
2
−
4
a
b
−
4
a
−
13
)
(
16
a
2
b
2
+
4
a
2
−
3
a
b
2
−
4
a
b
−
4
a
−
13
)
(
17
a
2
b
2
+
4
a
2
−
3
a
b
2
−
4
a
b
−
4
a
−
13
)
(
16
a
2
b
2
+
7
a
2
−
3
a
b
2
−
4
a
b
−
4
a
−
13
)
(
16
a
2
b
2
+
2
a
2
−
3
a
b
2
−
4
a
b
−
4
a
−
13
)
Question
2
2.
The value of
1
2
s
3
−
1
5
s
3
is
1
2
s
3
1
4
s
3
1
10
s
3
3
10
s
3
3
8
s
3
Question
3
3.
The value of
2
5
(
2
3
p
q
+
1
2
)
is
(
4
17
p
q
+
1
5
)
(
4
13
p
q
+
1
5
)
(
4
15
p
q
+
1
5
)
(
4
15
p
q
+
3
5
)
(
4
15
p
q
−
1
5
)
Question
4
4.
The value of
1
2
e
✕
1
2
e
2
is
1
6
e
3
1
2
e
3
(
−
1
4
e
3
)
3
4
e
3
1
4
e
3
Question
5
5.
Which of the following terms can be added to
(
−
7
r
3
)
?
2
r
3
9
r
(
−
6
r
4
)
1
(
−
2
r
2
)
Question
6
6.
Which of the following terms can be added to
(
−
8
e
2
)
?
8
e
2
(
−
2
e
)
3
9
e
3
(
−
4
e
4
)
Question
7
7.
The value of
(
−
7
y
)
✕
6
y
✕
x
y
✕
9
x
y
is
(
−
376
x
2
y
4
)
(
−
379
x
2
y
4
)
(
−
380
x
2
y
4
)
(
−
377
x
2
y
4
)
(
−
378
x
2
y
4
)
Question
8
8.
The value of
6
e
f
−
(
−
5
e
f
)
is
9
e
f
10
e
f
12
e
f
11
e
f
14
e
f
Question
9
9.
Which of the following terms can be added to
7
?
6
n
6
l
m
n
l
m
6
l
8
Question
10
10.
The value of
(
2
b
c
−
4
b
+
5
c
)
+
(
−
7
b
c
−
3
c
−
2
)
is
(
−
6
b
c
−
4
b
+
2
c
−
2
)
(
−
5
b
c
−
b
+
2
c
−
2
)
(
−
5
b
c
−
6
b
+
2
c
−
2
)
(
−
5
b
c
−
4
b
+
2
c
−
2
)
(
−
4
b
c
−
4
b
+
2
c
−
2
)
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