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
120
5
=
(i)
10
(ii)
11
(iii)
13
(iv)
9
(v)
7
Question
2
2.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the characteristic of
log
108
79
=
(i)
160
(ii)
162
(iii)
159
(iv)
161
(v)
158
Question
3
3.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the mantissa of
log
400
45
=
(i)
8.081
(ii)
0.081
(iii)
1.081
(iv)
2.081
(v)
7.081
Question
4
4.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
210
44
is
(i)
101.1724
(ii)
104.1724
(iii)
102.1724
(iv)
103.1724
(v)
100.1724
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
2400
30
is
(i)
102
(ii)
101
(iii)
105
(iv)
99
(v)
103
Question
6
6.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
128
43
441
3
is
(i)
7.0876
(ii)
2.0876
(iii)
0.0876
(iv)
8.0876
(v)
1.0876
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
1.0000
is
(i)
2
(ii)
8
(iii)
7
(iv)
1
(v)
-0
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
960
640
is
(i)
0.1761
(ii)
8.1761
(iii)
2.1761
(iv)
7.1761
(v)
1.1761
Question
9
9.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
448
77
is
(i)
206.1347
(ii)
205.1347
(iii)
203.1347
(iv)
202.1347
(v)
204.1347
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
3840
4
is
(i)
12
(ii)
18
(iii)
15
(iv)
14
(v)
16
Question
11
11.
log
14
13
14
43
=
(i)
4.3077
(ii)
5.3077
(iii)
2.3077
(iv)
3.3077
(v)
1.3077
Question
12
12.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
200
36
360
16
is
(i)
1.4938
(ii)
2.4938
(iii)
7.4938
(iv)
0.4938
(v)
8.4938
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
1.0800
is
(i)
0.033
(ii)
8.033
(iii)
2.033
(iv)
1.033
(v)
7.033
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
1008
768
is
(i)
8.1182
(ii)
2.1182
(iii)
0.1182
(iv)
7.1182
(v)
1.1182
Question
15
15.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
336
80
is
(i)
201.096
(ii)
202.096
(iii)
203.096
(iv)
200.096
(v)
204.096
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
6912
24
is
(i)
92
(ii)
93
(iii)
90
(iv)
94
(v)
95
Question
17
17.
log
48
13
48
26
=
(i)
1
(ii)
3
(iii)
4
(iv)
0
(v)
2
Question
18
18.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
280
11
576
8
is
(i)
0.8204
(ii)
7.8204
(iii)
8.8204
(iv)
2.8204
(v)
1.8204
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
1.2800
is
(i)
0.107
(ii)
1.107
(iii)
8.107
(iv)
2.107
(v)
7.107
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
2160
972
is
(i)
2.3467
(ii)
1.3467
(iii)
0.3467
(iv)
8.3467
(v)
7.3467
Assignment Key
1) (i)
2) (i)
3) (ii)
4) (iii)
5) (i)
6) (iii)
7) (v)
8) (i)
9) (v)
10) (iii)
11) (iv)
12) (iv)
13) (i)
14) (iii)
15) (ii)
16) (ii)
17) (v)
18) (i)
19) (i)
20) (iii)
