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
540
10
=
(i)
30
(ii)
25
(iii)
28
(iv)
26
(v)
27
Question
2
2.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the characteristic of
log
540
90
=
(i)
246
(ii)
248
(iii)
244
(iv)
243
(v)
245
Question
3
3.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the mantissa of
log
120
16
=
(i)
0.264
(ii)
8.264
(iii)
2.264
(iv)
1.264
(v)
7.264
Question
4
4.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
768
58
is
(i)
165.3358
(ii)
168.3358
(iii)
166.3358
(iv)
167.3358
(v)
169.3358
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
1600
26
is
(i)
82
(ii)
85
(iii)
84
(iv)
86
(v)
83
Question
6
6.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
162
5
360
12
is
(i)
2.7766
(ii)
1.7766
(iii)
0.7766
(iv)
3.7766
(v)
4.7766
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
1.6800
is
(i)
8.225
(ii)
1.225
(iii)
2.225
(iv)
0.225
(v)
7.225
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
1680
672
is
(i)
8.3979
(ii)
0.3979
(iii)
1.3979
(iv)
7.3979
(v)
2.3979
Question
9
9.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
150
8
is
(i)
18.4072
(ii)
19.4072
(iii)
15.4072
(iv)
17.4072
(v)
16.4072
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
1372
4
is
(i)
12
(ii)
14
(iii)
13
(iv)
11
(v)
16
Question
11
11.
log
2
15
2
6
=
(i)
2.4
(ii)
8.4
(iii)
7.4
(iv)
0.4
(v)
1.4
Question
12
12.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
196
33
180
41
is
(i)
0.2223
(ii)
1.2223
(iii)
2.2223
(iv)
9.2223
(v)
3.2223
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
2.4000
is
(i)
2.38
(ii)
8.38
(iii)
0.38
(iv)
1.38
(v)
7.38
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
700
1440
is
(i)
7.6868
(ii)
6.6868
(iii)
-0.3132
(iv)
1.6868
(v)
0.6868
Question
15
15.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
224
31
is
(i)
70.8531
(ii)
73.8531
(iii)
74.8531
(iv)
71.8531
(v)
72.8531
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
4500
39
is
(i)
141
(ii)
142
(iii)
143
(iv)
144
(v)
145
Question
17
17.
log
2
13
2
30
=
(i)
2.3077
(ii)
3.3077
(iii)
0.3077
(iv)
4.3077
(v)
1.3077
Question
18
18.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
270
48
504
40
is
(i)
8.9263
(ii)
0.9263
(iii)
2.9263
(iv)
7.9263
(v)
1.9263
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
1.0800
is
(i)
0.033
(ii)
8.033
(iii)
7.033
(iv)
2.033
(v)
1.033
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
1296
896
is
(i)
1.1603
(ii)
2.1603
(iii)
8.1603
(iv)
7.1603
(v)
0.1603
Assignment Key
1) (v)
2) (v)
3) (i)
4) (iv)
5) (iii)
6) (i)
7) (iv)
8) (ii)
9) (iv)
10) (iii)
11) (iv)
12) (ii)
13) (iii)
14) (iii)
15) (v)
16) (iii)
17) (i)
18) (ii)
19) (i)
20) (v)
