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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade VIII - Fundamental Concepts
Question
1
1.
The value of
r
2
✕
(
−
5
r
2
)
✕
(
−
4
r
)
is
21
r
5
20
r
5
17
r
5
19
r
5
22
r
5
Question
2
2.
The value of
2
5
k
+
1
2
k
is
9
8
k
9
10
k
7
10
k
3
4
k
11
10
k
Question
3
3.
(
144
x
4
y
2
z
3
+
36
x
3
y
3
z
3
+
864
x
3
y
2
z
3
)
÷
6
x
2
y
z
=
(
24
x
3
y
3
z
2
+
6
x
y
2
z
2
+
144
x
y
z
2
)
(
24
x
3
y
2
z
2
+
6
x
y
2
z
2
+
144
x
y
z
2
)
(
24
x
2
y
z
2
+
6
x
y
2
z
2
+
144
x
y
z
2
)
(
24
x
2
y
z
2
+
6
x
y
3
z
3
+
144
x
y
z
2
)
(
24
x
2
y
z
2
+
144
x
y
z
2
+
6
y
3
z
2
)
Question
4
4.
The remainder when
(
2
f
3
−
4
f
2
+
8
f
)
is divided by
(
f
2
−
4
f
−
45
)
is
(
115
f
+
180
)
(
114
f
+
180
)
(
112
f
+
180
)
(
113
f
+
180
)
(
116
f
+
180
)
Question
5
5.
The value of
6
s
✕
(
−
s
)
✕
5
r
✕
5
s
is
(
−
149
r
s
3
)
(
−
151
r
s
3
)
(
−
147
r
s
3
)
(
−
152
r
s
3
)
(
−
150
r
s
3
)
Question
6
6.
The coefficient of term
m
n
in polynomial
(
8
m
2
n
2
−
4
m
2
+
9
m
n
+
4
n
2
)
is
11
7
10
8
9
Question
7
7.
The value of
(
7
p
q
+
4
q
−
8
)
+
(
3
o
p
q
+
4
p
q
−
1
)
is
(
3
o
p
q
+
9
p
q
+
4
q
−
9
)
(
3
o
p
q
+
11
p
q
+
4
q
−
9
)
(
4
o
p
q
+
11
p
q
+
4
q
−
9
)
(
3
o
p
q
+
13
p
q
+
4
q
−
9
)
(
2
o
p
q
+
11
p
q
+
4
q
−
9
)
Question
8
8.
The constant term in polynomial
(
a
+
9
)
is
9
8
10
11
7
Question
9
9.
Which of the following terms can be subtracted from
3
i
2
j
?
5
j
2
6
i
j
2
(
−
9
h
2
j
2
)
(
−
9
h
2
i
)
(
−
7
i
2
j
)
Question
10
10.
The value of
2
y
−
6
y
is
(
−
5
y
)
(
−
y
)
(
−
3
y
)
(
−
6
y
)
(
−
4
y
)
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