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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade IX - Indices
Question
1
1.
[
7
-5
]
-3
=
5
15
7
15
7
16
10
15
7
14
Question
2
2.
n
(-7)
3
p
(-8)
=
p
8
3
n
7
n
8
3
p
7
3
p
(-8)
n
(-7)
3
p
8
n
7
p
(-8)
3
n
(-7)
Question
3
3.
If
c
(
x
−
1
)
=
d
e
,
d
(
y
−
1
)
=
e
c
,
e
(
z
−
1
)
=
c
d
then
a)
(
x
+
y
+
z
)
=
1
b)
x
y
z
=
1
c)
x
y
+
y
z
+
z
x
=
0
d)
x
y
+
y
z
+
z
x
=
x
y
z
e)
x
y
+
y
z
+
z
x
=
1
{b,d}
{c,e,d}
{d}
{a,d}
Question
4
4.
(
g
2
h
6
)
m
=
g
2
m
h
6
m
g
2
m
.
h
6
m
h
6
m
g
2
m
g
2
m
.
−
h
6
m
Question
5
5.
The value of
3
-3
÷
2
-3
2
9
8
27
2
(
8
27
)
10
27
8
25
Question
6
6.
Simplify
5
-2
✕
(-2)
-3
✕
3
-2
✕
4
-3
(-5)
-3
✕
2
-3
✕
(-3)
-2
2
3
✕
3
2
✕
5
3
2
9
✕
6
2
✕
5
2
2
3
✕
3
2
✕
5
3
2
9
✕
3
2
✕
5
2
2
4
✕
3
2
✕
5
3
2
9
✕
3
2
✕
5
2
2
3
✕
3
2
✕
5
2
2
9
✕
3
2
✕
5
2
2
3
✕
3
2
✕
5
3
(-1)
9
✕
3
2
✕
5
2
Question
7
7.
Which of the following statements are true?
a)
x
m
x
n
=
x
m
n
b)
a
0
=
1
(
a
≠
0)
c)
(
x
m
)
n
=
(
x
n
)
m
d)
(
x
m
)
n
=
x
(
m
+
n
)
e)
a
m
.
a
n
=
a
m
n
f)
a
.
x
m
=
a
m
.
x
m
{a,c,b}
{d,c}
{b,c}
{e,f,b}
{a,b}
Question
8
8.
Expand the following base power
2
(
1
2
)
1
2
1
4
9
4
1
8
Question
9
9.
(
a
5
+
b
5
)
0
=
(-1)
a
5
+
b
5
0
3
1
Question
10
10.
If
625
2
g
=
15625
(
g
+
1
)
, find
g
1
4
5
3
2
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