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Generated
100
Correct
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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade IX - Expansions
Question
1
1.
The value of
99
✕
99
is
9798
9803
9800
9801
9802
Question
2
2.
The value of
807
✕
793
is
639948
639952
639954
639950
639951
Question
3
3.
(
3
a
+
2
b
−
2
3
c
)
(
9
a
2
−
6
a
b
+
2
a
c
+
4
b
2
+
4
3
b
c
+
4
9
c
2
)
(
27
a
3
+
9
a
b
c
+
8
b
3
−
8
27
c
3
)
(
27
a
3
+
12
a
b
c
+
8
b
3
−
8
27
c
3
)
(
27
a
3
+
14
a
b
c
+
8
b
3
−
8
27
c
3
)
(
28
a
3
+
12
a
b
c
+
8
b
3
−
8
27
c
3
)
(
26
a
3
+
12
a
b
c
+
8
b
3
−
8
27
c
3
)
Question
4
4.
(
a
+
b
)
(
a
−
b
)
(
−
b
2
)
(
a
2
+
b
2
)
(
a
2
−
4
b
2
)
(
a
2
−
b
2
)
(
2
a
2
−
b
2
)
Question
5
5.
If
(
x
+
1
x
)
=
7
,
find the value of
(
x
3
+
1
x
3
)
320
323
322
321
324
Question
6
6.
If
(
x
−
1
x
)
=
2
,
find the value of
(
x
4
+
1
x
4
)
37
34
32
33
35
Question
7
7.
The value of
37
✕
28
is
1037
1033
1039
1036
1035
Question
8
8.
(
a
−
b
)
(
a
2
+
a
b
+
b
2
)
(
a
3
−
b
3
)
(
a
3
+
2
b
3
)
(
2
a
3
−
b
3
)
(
a
3
−
4
b
3
)
(
−
b
3
)
Question
9
9.
If
(
x
4
+
1
x
4
)
=
194
,
find the value of
(
x
+
1
x
)
3
4
2
7
5
Question
10
10.
If
(
6
x
−
1
3
x
)
=
9
,
find the value of
(
36
x
2
+
1
9
x
2
)
82
86
87
84
85
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