EduSahara™ Assignment
Name : Solving Equations with Indices
Chapter : Exponents
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
If
4
c
=
64
, find
c
(i)
1
(ii)
3
(iii)
4
(iv)
5
(v)
2
Question
2
2.
If
4
r
=
1024
, find
8
r
(i)
32766
(ii)
32768
(iii)
32771
(iv)
32769
(v)
32767
Question
3
3.
If
2
(
3
k
+
3
)
=
4
(
k
+
6
)
, find
k
(i)
6
(ii)
11
(iii)
10
(iv)
9
(v)
8
Question
4
4.
If
81
2
h
=
729
(
h
+
1
)
, find
h
(i)
2
(ii)
4
(iii)
0
(iv)
5
(v)
3
Question
5
5.
If
64
(
q
+
10
)
=
1024
18
=
4
r
, find
r
(i)
87
(ii)
89
(iii)
90
(iv)
93
(v)
91
Question
6
6.
If
2
e
=
8
, find
2
(
e
+
3
)
(i)
67
(ii)
61
(iii)
65
(iv)
63
(v)
64
Question
7
7.
If
(
9
560
)
5
=
(
9
35
)
j
, find
j
(i)
79
(ii)
81
(iii)
80
(iv)
78
(v)
83
Question
8
8.
If
625
✕
5
q
=
5
8
, find
q
(i)
5
(ii)
3
(iii)
2
(iv)
7
(v)
4
Question
9
9.
If
8
(
4
e
+
1
)
÷
4096
=
8
5
, find
e
(i)
1
(ii)
2
(iii)
3
(iv)
5
(v)
0
Question
10
10.
(
b
3
+
c
3
)
0
=
(i)
(-2)
(ii)
b
3
+
c
3
(iii)
0
(iv)
4
(v)
1
Assignment Key
1) (ii)
2) (ii)
3) (iv)
4) (v)
5) (iii)
6) (v)
7) (iii)
8) (v)
9) (ii)
10) (v)
