EduSahara™ Assignment
Name : Solving Equations with Indices
Chapter : Exponents
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
If
3
d
=
81
, find
d
(i)
4
(ii)
7
(iii)
3
(iv)
1
(v)
5
Question
2
2.
If
5
h
=
625
, find
8
h
(i)
4094
(ii)
4099
(iii)
4095
(iv)
4096
(v)
4097
Question
3
3.
If
4
(
13
e
+
4
)
=
64
(
4
e
+
5
)
, find
e
(i)
10
(ii)
11
(iii)
12
(iv)
9
(v)
13
Question
4
4.
If
1024
(
w
+
1
)
=
64
(
2
w
+
1
)
, find
w
(i)
(-1)
(ii)
3
(iii)
1
(iv)
2
(v)
4
Question
5
5.
If
64
(
f
+
1
)
=
256
12
=
4
g
, find
g
(i)
49
(ii)
48
(iii)
47
(iv)
45
(v)
51
Question
6
6.
If
5
t
=
25
, find
5
(
2
t
+
2
)
(i)
15627
(ii)
15623
(iii)
15625
(iv)
15626
(v)
15624
Question
7
7.
If
(
6
10
)
432
=
(
6
4
)
a
, find
a
(i)
1079
(ii)
1080
(iii)
1077
(iv)
1081
(v)
1083
Question
8
8.
If
729
✕
9
n
=
9
6
, find
n
(i)
0
(ii)
3
(iii)
5
(iv)
2
(v)
4
Question
9
9.
If
7
(
4
e
+
5
)
÷
2401
=
7
17
, find
e
(i)
5
(ii)
3
(iii)
2
(iv)
6
(v)
4
Question
10
10.
(
a
6
+
b
6
)
0
=
(i)
0
(ii)
(-2)
(iii)
1
(iv)
4
(v)
a
6
+
b
6
Assignment Key
1) (i)
2) (iv)
3) (ii)
4) (iv)
5) (ii)
6) (iii)
7) (ii)
8) (ii)
9) (v)
10) (iii)
