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
360
9
=
(i)
21
(ii)
25
(iii)
24
(iv)
23
(v)
22
Question
2
2.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the characteristic of
log
270
76
=
(i)
184
(ii)
181
(iii)
185
(iv)
183
(v)
187
Question
3
3.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the mantissa of
log
500
93
=
(i)
0.9791
(ii)
1.9791
(iii)
8.9791
(iv)
2.9791
(v)
7.9791
Question
4
4.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
180
41
is
(i)
93.4591
(ii)
94.4591
(iii)
92.4591
(iv)
91.4591
(v)
90.4591
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
1260
18
is
(i)
54
(ii)
56
(iii)
59
(iv)
55
(v)
57
Question
6
6.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
147
5
270
37
is
(i)
6.3011
(ii)
7.3011
(iii)
10.3011
(iv)
9.3011
(v)
8.3011
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
3.7800
is
(i)
7.577
(ii)
1.577
(iii)
8.577
(iv)
2.577
(v)
0.577
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
3888
1536
is
(i)
0.4034
(ii)
8.4034
(iii)
7.4034
(iv)
1.4034
(v)
2.4034
Question
9
9.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
480
31
is
(i)
85.111
(ii)
84.111
(iii)
83.111
(iv)
81.111
(v)
82.111
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
4536
22
is
(i)
82
(ii)
78
(iii)
81
(iv)
83
(v)
80
Question
11
11.
log
30
9
30
43
=
(i)
5.7778
(ii)
2.7778
(iii)
6.7778
(iv)
4.7778
(v)
3.7778
Question
12
12.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
420
31
120
11
is
(i)
2.2812
(ii)
0.2812
(iii)
1.2812
(iv)
7.2812
(v)
8.2812
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
3.0000
is
(i)
7.477
(ii)
8.477
(iii)
2.477
(iv)
0.477
(v)
1.477
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
1680
576
is
(i)
7.4649
(ii)
8.4649
(iii)
1.4649
(iv)
0.4649
(v)
2.4649
Question
15
15.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
640
20
is
(i)
58.118
(ii)
55.118
(iii)
54.118
(iv)
57.118
(v)
56.118
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
1260
19
is
(i)
57
(ii)
59
(iii)
61
(iv)
58
(v)
60
Question
17
17.
log
17
5
17
22
=
(i)
2.4
(ii)
6.4
(iii)
5.4
(iv)
4.4
(v)
3.4
Question
18
18.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
630
40
192
4
is
(i)
1.0816
(ii)
8.0816
(iii)
0.0816
(iv)
2.0816
(v)
7.0816
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
1.2600
is
(i)
1.1
(ii)
8.1
(iii)
2.1
(iv)
7.1
(v)
0.1
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
864
576
is
(i)
8.1761
(ii)
2.1761
(iii)
1.1761
(iv)
7.1761
(v)
0.1761
Assignment Key
1) (iv)
2) (i)
3) (i)
4) (iii)
5) (ii)
6) (v)
7) (v)
8) (i)
9) (iii)
10) (iii)
11) (iv)
12) (ii)
13) (iv)
14) (iv)
15) (v)
16) (ii)
17) (iv)
18) (iii)
19) (v)
20) (v)
