EduSahara™ Assignment
Name : Concepts
Chapter : Logarithms
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
log
216
36
=
(i)
1.6667
(ii)
0.6667
(iii)
8.6667
(iv)
2.6667
(v)
7.6667
Question
2
2.
log
25
625
=
(i)
3
(ii)
1
(iii)
4
(iv)
2
(v)
0
Question
3
3.
log
81
729
=
(i)
9.5
(ii)
0.5
(iii)
2.5
(iv)
1.5
(v)
3.5
Question
4
4.
log
36
216
=
(i)
1.5
(ii)
0.5
(iii)
2.5
(iv)
3.5
(v)
9.5
Question
5
5.
log
64
4096
=
(i)
2
(ii)
0
(iii)
4
(iv)
1
(v)
3
Question
6
6.
log
16
4
=
(i)
2.5
(ii)
1.5
(iii)
0.5
(iv)
7.5
(v)
8.5
Question
7
7.
log
4
16
=
(i)
0
(ii)
2
(iii)
4
(iv)
3
(v)
1
Question
8
8.
log
49
343
=
(i)
2.5
(ii)
3.5
(iii)
0.5
(iv)
1.5
(v)
9.5
Question
9
9.
log
49
2401
=
(i)
3
(ii)
4
(iii)
1
(iv)
2
(v)
0
Question
10
10.
log
16
64
=
(i)
0.5
(ii)
9.5
(iii)
3.5
(iv)
2.5
(v)
1.5
Question
11
11.
log
16
32
=
(i)
2.25
(ii)
0.25
(iii)
1.25
(iv)
9.25
(v)
3.25
Question
12
12.
log
25
625
=
(i)
3
(ii)
2
(iii)
4
(iv)
0
(v)
1
Question
13
13.
The base of
log
8
73
is
(i)
5
(ii)
7
(iii)
8
(iv)
11
(v)
73
Question
14
14.
The base of
log
2
11
75
is
(i)
1
(ii)
2
(iii)
11
75
(iv)
-1
(v)
5
Question
15
15.
The base of
log
6.00
29.0000
is
(i)
6
(ii)
3
(iii)
8
(iv)
29
(v)
5
Question
16
16.
The base of
log
9
50
8
is
(i)
9
(ii)
6
(iii)
50
8
(iv)
11
(v)
8
Question
17
17.
The base of
log
3
5
57
is
(i)
57
(ii)
1
5
(iii)
3
5
(iv)
1
Question
18
18.
The base of
log
1
3
31
34
is
(i)
1
(ii)
1
3
(iii)
(
-1
3
)
(iv)
31
34
Question
19
19.
The base of
log
1
4
88
5
is
(i)
1
2
(ii)
3
4
(iii)
88
5
(iv)
1
4
(v)
(
-1
4
)
Question
20
20.
The logarithmic notation of
9
2
=
81
is
(i)
log
9
81
2
=
2
(ii)
log
9
80
=
2
(iii)
log
9
83
=
2
(iv)
log
7
78
=
2
(v)
log
9
81
=
2
Question
21
21.
The base exponent form of
log
10
100
=
2
is
(i)
12
2
=
100
(ii)
2
10
=
100
(iii)
10
3
=
100
(iv)
10
=
100
(v)
10
2
=
100
Question
22
22.
log
2
20
2
46
=
(i)
1.3
(ii)
2.3
(iii)
0.3
(iv)
4.3
(v)
3.3
Assignment Key
1) (ii)
2) (iv)
3) (iv)
4) (i)
5) (i)
6) (iii)
7) (ii)
8) (iv)
9) (iv)
10) (v)
11) (iii)
12) (ii)
13) (iii)
14) (ii)
15) (i)
16) (i)
17) (iii)
18) (ii)
19) (iv)
20) (v)
21) (v)
22) (ii)
