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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade IX - Indices
Question
1
1.
[
-2
]
3/2
(
-5
9
)
=
-3
(
-7
9
)
-2
(
-5
9
)
-3
(
-1
3
)
-3
(
-5
9
)
-4
(
-5
9
)
Question
2
2.
The value of
4
2
✕
2
2
64
2
64
62
63
67
Question
3
3.
Evaluate
(
c
2
+
d
2
)
(
c
4
−
c
2
d
2
+
d
4
)
=
0
c
6
−
2
d
2
c
4
+
2
d
4
c
2
−
d
6
c
6
−
d
6
c
6
+
d
6
c
6
+
2
d
2
c
4
+
2
d
4
c
2
+
d
6
Question
4
4.
[
-7
(
9
8
)
✕
-7
(
5
6
)
]
÷
[
7
(
8
9
)
✕
7
(
6
5
)
]
=
5
6
1
0
9
8
(-1)
Question
5
5.
Simplify
√
49
−
√
36
√
144
+
√
16
=
(
-1
16
)
1
18
1
14
3
16
1
16
Question
6
6.
If
4
f
=
16
, find
5
f
26
25
22
24
28
Question
7
7.
Evaluate
(
a
1
3
−
b
1
3
)
(
a
2
3
+
a
1
3
b
1
3
+
b
2
3
)
=
a
−
b
(
a
+
b
)
2
(
a
−
b
)
2
0
a
+
b
Question
8
8.
Simplify
5
2
✕
(-5)
-2
5
-3
✕
(-2)
3
3
(
-5
2
)
3
(
-7
2
)
2
(
-5
2
)
3
(
-3
2
)
4
(
-5
2
)
Question
9
9.
[
6
4
]
-2
=
6
-9
6
-7
8
-8
6
-8
4
-8
Question
10
10.
Simplify
(
x
m
x
n
)
o
(
x
n
x
o
)
m
(
x
o
x
m
)
n
x
0
x
(
m
+
n
+
o
)
-1
1
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