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
324
=
(i)
3
(ii)
2
(iii)
4
(iv)
1
(v)
(-1)
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
66
=
(i)
175
(ii)
179
(iii)
177
(iv)
178
(v)
181
Question
3
3.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the mantissa of
log
126
31
=
(i)
2.1093
(ii)
7.1093
(iii)
8.1093
(iv)
1.1093
(v)
0.1093
Question
4
4.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
360
75
is
(i)
191.7075
(ii)
189.7075
(iii)
192.7075
(iv)
193.7075
(v)
190.7075
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
8400
35
is
(i)
137
(ii)
139
(iii)
138
(iv)
136
(v)
140
Question
6
6.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
336
7
150
27
is
(i)
5.3223
(ii)
2.3223
(iii)
3.3223
(iv)
1.3223
(v)
4.3223
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
2.7000
is
(i)
0.431
(ii)
2.431
(iii)
7.431
(iv)
8.431
(v)
1.431
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
756
567
is
(i)
0.1249
(ii)
7.1249
(iii)
2.1249
(iv)
8.1249
(v)
1.1249
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
48
is
(i)
107.2448
(ii)
110.2448
(iii)
108.2448
(iv)
109.2448
(v)
106.2448
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
2160
18
is
(i)
62
(ii)
61
(iii)
58
(iv)
60
(v)
63
Question
11
11.
log
13
17
13
42
=
(i)
1.4706
(ii)
0.4706
(iii)
4.4706
(iv)
2.4706
(v)
3.4706
Question
12
12.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
168
48
135
8
is
(i)
7.1596
(ii)
8.1596
(iii)
1.1596
(iv)
2.1596
(v)
0.1596
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
2.9160
is
(i)
2.465
(ii)
7.465
(iii)
1.465
(iv)
0.465
(v)
8.465
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
567
2520
is
(i)
0.3523
(ii)
-0.6477
(iii)
1.3523
(iv)
7.3523
(v)
6.3523
Question
15
15.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
216
16
is
(i)
36.3488
(ii)
37.3488
(iii)
39.3488
(iv)
38.3488
(v)
35.3488
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
2400
20
is
(i)
70
(ii)
66
(iii)
69
(iv)
68
(v)
67
Question
17
17.
log
5
15
5
25
=
(i)
3.6667
(ii)
2.6667
(iii)
0.6667
(iv)
9.6667
(v)
1.6667
Question
18
18.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
480
18
180
3
is
(i)
1.1402
(ii)
7.1402
(iii)
8.1402
(iv)
0.1402
(v)
2.1402
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
1.7280
is
(i)
1.237
(ii)
2.237
(iii)
8.237
(iv)
0.237
(v)
7.237
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
1344
504
is
(i)
1.4259
(ii)
0.4259
(iii)
2.4259
(iv)
7.4259
(v)
8.4259
Assignment Key
1) (ii)
2) (iv)
3) (v)
4) (i)
5) (iii)
6) (iii)
7) (i)
8) (i)
9) (iii)
10) (ii)
11) (iv)
12) (v)
13) (iv)
14) (ii)
15) (ii)
16) (iv)
17) (v)
18) (iv)
19) (iv)
20) (ii)
