EduSahara™ Assignment
Name : Concepts
Chapter : Logarithms
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
log
100
1000
=
(i)
2.5
(ii)
3.5
(iii)
0.5
(iv)
9.5
(v)
1.5
Question
2
2.
log
512
64
=
(i)
2.6667
(ii)
0.6667
(iii)
7.6667
(iv)
1.6667
(v)
8.6667
Question
3
3.
log
64
256
=
(i)
0.3333
(ii)
1.3333
(iii)
3.3333
(iv)
9.3333
(v)
2.3333
Question
4
4.
log
9
27
=
(i)
2.5
(ii)
0.5
(iii)
1.5
(iv)
9.5
(v)
3.5
Question
5
5.
log
49
2401
=
(i)
4
(ii)
1
(iii)
0
(iv)
2
(v)
3
Question
6
6.
log
100
1000
=
(i)
0.5
(ii)
9.5
(iii)
3.5
(iv)
1.5
(v)
2.5
Question
7
7.
log
729
6561
=
(i)
1.3333
(ii)
3.3333
(iii)
0.3333
(iv)
9.3333
(v)
2.3333
Question
8
8.
log
64
512
=
(i)
2.5
(ii)
0.5
(iii)
3.5
(iv)
1.5
(v)
9.5
Question
9
9.
log
16
256
=
(i)
0
(ii)
4
(iii)
1
(iv)
2
(v)
3
Question
10
10.
log
256
64
=
(i)
8.75
(ii)
0.75
(iii)
1.75
(iv)
2.75
(v)
7.75
Question
11
11.
log
729
6561
=
(i)
2.3333
(ii)
0.3333
(iii)
3.3333
(iv)
9.3333
(v)
1.3333
Question
12
12.
log
49
2401
=
(i)
4
(ii)
3
(iii)
2
(iv)
0
(v)
1
Question
13
13.
The base of
log
10
41
is
(i)
41
(ii)
10
(iii)
9
(iv)
8
(v)
13
Question
14
14.
The base of
log
7
10
27
is
(i)
6
(ii)
10
(iii)
5
(iv)
10
27
(v)
7
Question
15
15.
The base of
log
5.00
95.0000
is
(i)
8
(ii)
3
(iii)
4
(iv)
95
(v)
5
Question
16
16.
The base of
log
7
38
2
is
(i)
38
2
(ii)
10
(iii)
7
(iv)
5
(v)
6
Question
17
17.
The base of
log
1
2
75
is
(i)
1
2
(ii)
3
2
(iii)
1
(iv)
75
(v)
(
-1
2
)
Question
18
18.
The base of
log
3
7
1
9
is
(i)
3
5
(ii)
1
7
(iii)
3
7
(iv)
1
9
(v)
5
7
Question
19
19.
The base of
log
1
8
46
5
is
(i)
1
6
(ii)
46
5
(iii)
(
-1
8
)
(iv)
1
8
(v)
3
8
Question
20
20.
The logarithmic notation of
9
2
=
81
is
(i)
log
9
81
=
2
(ii)
log
6
78
=
2
(iii)
log
9
81
2
=
2
(iv)
log
9
80
=
2
(v)
log
9
83
=
2
Question
21
21.
The base exponent form of
log
10
100000
=
5
is
(i)
5
10
=
100000
(ii)
13
5
=
100000
(iii)
10
5
=
100000
(iv)
10
6
=
100000
(v)
10
4
=
100000
Question
22
22.
log
14
14
41
=
(i)
40
(ii)
43
(iii)
42
(iv)
41
(v)
39
Assignment Key
1) (v)
2) (ii)
3) (ii)
4) (iii)
5) (iv)
6) (iv)
7) (i)
8) (iv)
9) (iv)
10) (ii)
11) (v)
12) (iii)
13) (ii)
14) (v)
15) (v)
16) (iii)
17) (i)
18) (iii)
19) (iv)
20) (i)
21) (iii)
22) (iv)
