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
441
10
=
(i)
27
(ii)
26
(iii)
24
(iv)
25
(v)
29
Question
2
2.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the characteristic of
log
180
5
=
(i)
10
(ii)
14
(iii)
8
(iv)
12
(v)
11
Question
3
3.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the mantissa of
log
140
95
=
(i)
0.87
(ii)
8.87
(iii)
7.87
(iv)
2.87
(v)
1.87
Question
4
4.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
864
41
is
(i)
119.3883
(ii)
118.3883
(iii)
121.3883
(iv)
122.3883
(v)
120.3883
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
2880
36
is
(i)
123
(ii)
124
(iii)
127
(iv)
126
(v)
125
Question
6
6.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
252
46
100
7
is
(i)
8.1267
(ii)
1.1267
(iii)
2.1267
(iv)
0.1267
(v)
7.1267
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
6.8040
is
(i)
7.833
(ii)
2.833
(iii)
8.833
(iv)
1.833
(v)
0.833
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
1200
1944
is
(i)
7.7904
(ii)
6.7904
(iii)
1.7904
(iv)
-0.2096
(v)
0.7904
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
68
is
(i)
145.9612
(ii)
148.9612
(iii)
149.9612
(iv)
147.9612
(v)
146.9612
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
1280
32
is
(i)
100
(ii)
102
(iii)
101
(iv)
98
(v)
99
Question
11
11.
log
35
10
35
13
=
(i)
9.3
(ii)
2.3
(iii)
3.3
(iv)
0.3
(v)
1.3
Question
12
12.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
300
43
108
28
is
(i)
2.5345
(ii)
1.5345
(iii)
8.5345
(iv)
0.5345
(v)
7.5345
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
1.2960
is
(i)
2.112
(ii)
7.112
(iii)
1.112
(iv)
8.112
(v)
0.112
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
1920
1080
is
(i)
7.2498
(ii)
2.2498
(iii)
8.2498
(iv)
0.2498
(v)
1.2498
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
70
is
(i)
163.401
(ii)
164.401
(iii)
165.401
(iv)
161.401
(v)
162.401
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
1152
18
is
(i)
56
(ii)
57
(iii)
55
(iv)
59
(v)
53
Question
17
17.
log
43
13
43
5
=
(i)
1.3846
(ii)
0.3846
(iii)
8.3846
(iv)
7.3846
(v)
2.3846
Question
18
18.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
256
24
240
13
is
(i)
7.5354
(ii)
0.5354
(iii)
2.5354
(iv)
1.5354
(v)
8.5354
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
3.1360
is
(i)
2.496
(ii)
1.496
(iii)
7.496
(iv)
0.496
(v)
8.496
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
1080
504
is
(i)
8.3309
(ii)
1.3309
(iii)
2.3309
(iv)
7.3309
(v)
0.3309
Assignment Key
1) (ii)
2) (v)
3) (i)
4) (v)
5) (v)
6) (iv)
7) (v)
8) (iv)
9) (iv)
10) (i)
11) (v)
12) (iv)
13) (v)
14) (iv)
15) (i)
16) (i)
17) (ii)
18) (ii)
19) (iv)
20) (v)
