EduSahara™ Assignment
Name : Concepts
Chapter : Logarithms
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
log
81
6561
=
(i)
4
(ii)
0
(iii)
2
(iv)
1
(v)
3
Question
2
2.
log
10000
100
=
(i)
1.5
(ii)
0.5
(iii)
7.5
(iv)
2.5
(v)
8.5
Question
3
3.
log
16
4
=
(i)
7.5
(ii)
2.5
(iii)
8.5
(iv)
0.5
(v)
1.5
Question
4
4.
log
343
2401
=
(i)
1.3333
(ii)
9.3333
(iii)
3.3333
(iv)
0.3333
(v)
2.3333
Question
5
5.
log
125
25
=
(i)
2.6667
(ii)
0.6667
(iii)
1.6667
(iv)
7.6667
(v)
8.6667
Question
6
6.
log
256
64
=
(i)
8.75
(ii)
0.75
(iii)
1.75
(iv)
2.75
(v)
7.75
Question
7
7.
log
216
1296
=
(i)
2.3333
(ii)
9.3333
(iii)
0.3333
(iv)
3.3333
(v)
1.3333
Question
8
8.
log
512
4096
=
(i)
2.3333
(ii)
0.3333
(iii)
3.3333
(iv)
1.3333
(v)
9.3333
Question
9
9.
log
16
64
=
(i)
3.5
(ii)
0.5
(iii)
2.5
(iv)
1.5
(v)
9.5
Question
10
10.
log
25
625
=
(i)
3
(ii)
4
(iii)
2
(iv)
0
(v)
1
Question
11
11.
log
4096
512
=
(i)
1.75
(ii)
7.75
(iii)
0.75
(iv)
2.75
(v)
8.75
Question
12
12.
log
343
49
=
(i)
8.6667
(ii)
0.6667
(iii)
7.6667
(iv)
1.6667
(v)
2.6667
Question
13
13.
The base of
log
3
85
is
(i)
3
(ii)
3
-2
(iii)
85
(iv)
5
(v)
2
Question
14
14.
The base of
log
9
7
16
is
(i)
12
(ii)
9
(iii)
6
(iv)
7
16
(v)
8
Question
15
15.
The base of
log
7.00
64.0000
is
(i)
5
(ii)
6
(iii)
64
(iv)
10
(v)
7
Question
16
16.
The base of
log
6
90
2
is
(i)
6
(ii)
9
(iii)
5
(iv)
3
(v)
90
2
Question
17
17.
The base of
log
3
7
69
is
(i)
69
(ii)
1
7
(iii)
3
5
(iv)
3
7
(v)
5
7
Question
18
18.
The base of
log
3
7
5
7
is
(i)
3
7
(ii)
1
7
(iii)
5
7
(iv)
3
5
Question
19
19.
The base of
log
1
4
64
3
is
(i)
1
4
(ii)
64
3
(iii)
(
-1
4
)
(iv)
3
4
(v)
1
2
Question
20
20.
The logarithmic notation of
5
3
=
125
is
(i)
log
3
122
=
3
(ii)
log
5
125
=
3
(iii)
log
5
128
=
3
(iv)
log
5
124
=
3
(v)
log
5
125
2
=
3
Question
21
21.
The base exponent form of
log
7
49
=
2
is
(i)
7
=
49
(ii)
2
7
=
49
(iii)
7
3
=
49
(iv)
7
2
=
49
(v)
10
2
=
49
Question
22
22.
log
31
4
31
13
=
(i)
4.25
(ii)
2.25
(iii)
1.25
(iv)
5.25
(v)
3.25
Assignment Key
1) (iii)
2) (ii)
3) (iv)
4) (i)
5) (ii)
6) (ii)
7) (v)
8) (iv)
9) (iv)
10) (iii)
11) (iii)
12) (ii)
13) (i)
14) (ii)
15) (v)
16) (i)
17) (iv)
18) (i)
19) (i)
20) (ii)
21) (iv)
22) (v)
