EduSahara™ Assignment
Name : Computation
Chapter : Logarithms
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the characteristic of
log
108
7
=
(i)
12
(ii)
14
(iii)
15
(iv)
17
(v)
13
Question
2
2.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the characteristic of
log
504
24
=
(i)
62
(ii)
65
(iii)
63
(iv)
66
(v)
64
Question
3
3.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the mantissa of
log
224
66
=
(i)
8.1066
(ii)
2.1066
(iii)
0.1066
(iv)
1.1066
(v)
7.1066
Question
4
4.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
108
55
is
(i)
113.8315
(ii)
109.8315
(iii)
110.8315
(iv)
112.8315
(v)
111.8315
Question
5
5.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the number of digits in the expanded form of
1296
24
is
(i)
72
(ii)
76
(iii)
77
(iv)
75
(v)
74
Question
6
6.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
400
9
160
14
is
(i)
3.3177
(ii)
0.3177
(iii)
2.3177
(iv)
9.3177
(v)
1.3177
Question
7
7.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
10.00
3.8400
is
(i)
0.584
(ii)
8.584
(iii)
7.584
(iv)
1.584
(v)
2.584
Question
8
8.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
10
1080
2016
is
(i)
1.7289
(ii)
6.7289
(iii)
7.7289
(iv)
-0.2711
(v)
0.7289
Question
9
9.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
180
2
is
(i)
5.5102
(ii)
6.5102
(iii)
2.5102
(iv)
3.5102
(v)
4.5102
Question
10
10.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the number of digits in the expanded form of
1008
38
is
(i)
116
(ii)
114
(iii)
118
(iv)
115
(v)
113
Question
11
11.
log
10
10
30
=
(i)
28
(ii)
29
(iii)
32
(iv)
31
(v)
30
Question
12
12.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
180
12
162
29
is
(i)
3.3677
(ii)
2.3677
(iii)
0.3677
(iv)
4.3677
(v)
1.3677
Question
13
13.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
10.00
1.7280
is
(i)
1.237
(ii)
0.237
(iii)
8.237
(iv)
7.237
(v)
2.237
Question
14
14.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
10
648
2160
is
(i)
7.4772
(ii)
0.4772
(iii)
1.4772
(iv)
-0.5228
(v)
6.4772
Question
15
15.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
405
54
is
(i)
141.7942
(ii)
139.7942
(iii)
142.7942
(iv)
138.7942
(v)
140.7942
Question
16
16.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the number of digits in the expanded form of
7350
35
is
(i)
138
(ii)
136
(iii)
135
(iv)
137
(v)
133
Question
17
17.
log
35
18
35
38
=
(i)
2.1111
(ii)
4.1111
(iii)
1.1111
(iv)
3.1111
(v)
0.1111
Question
18
18.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
432
7
640
30
is
(i)
3.5632
(ii)
2.5632
(iii)
6.5632
(iv)
4.5632
(v)
5.5632
Question
19
19.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
10.00
2.5600
is
(i)
7.408
(ii)
0.408
(iii)
8.408
(iv)
1.408
(v)
2.408
Question
20
20.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
10
1920
576
is
(i)
7.5228
(ii)
1.5228
(iii)
2.5228
(iv)
0.5228
(v)
8.5228
Assignment Key
1) (ii)
2) (v)
3) (iii)
4) (v)
5) (iv)
6) (v)
7) (i)
8) (iv)
9) (v)
10) (iv)
11) (v)
12) (ii)
13) (ii)
14) (iv)
15) (v)
16) (ii)
17) (i)
18) (iv)
19) (ii)
20) (iv)
