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
252
10
=
(i)
26
(ii)
24
(iii)
23
(iv)
25
(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
168
81
=
(i)
181
(ii)
177
(iii)
182
(iv)
180
(v)
179
Question
3
3.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the mantissa of
log
336
70
=
(i)
7.834
(ii)
8.834
(iii)
0.834
(iv)
2.834
(v)
1.834
Question
4
4.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
378
is
(i)
4.5774
(ii)
3.5774
(iii)
0.5774
(iv)
1.5774
(v)
2.5774
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
4
is
(i)
10
(ii)
12
(iii)
15
(iv)
13
(v)
14
Question
6
6.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
300
39
108
30
is
(i)
8.6315
(ii)
1.6315
(iii)
7.6315
(iv)
2.6315
(v)
0.6315
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
2.8800
is
(i)
2.459
(ii)
8.459
(iii)
1.459
(iv)
7.459
(v)
0.459
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
576
560
is
(i)
0.0122
(ii)
8.0122
(iii)
2.0122
(iv)
1.0122
(v)
7.0122
Question
9
9.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
300
47
is
(i)
118.4143
(ii)
115.4143
(iii)
117.4143
(iv)
116.4143
(v)
114.4143
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
3780
8
is
(i)
30
(ii)
32
(iii)
28
(iv)
29
(v)
26
Question
11
11.
log
30
4
30
12
=
(i)
4
(ii)
2
(iii)
5
(iv)
1
(v)
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
252
35
168
3
is
(i)
8.0794
(ii)
7.0794
(iii)
1.0794
(iv)
0.0794
(v)
2.0794
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
3.7800
is
(i)
0.577
(ii)
8.577
(iii)
2.577
(iv)
7.577
(v)
1.577
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
1792
588
is
(i)
8.4838
(ii)
0.4838
(iii)
2.4838
(iv)
1.4838
(v)
7.4838
Question
15
15.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
560
51
is
(i)
138.148
(ii)
140.148
(iii)
141.148
(iv)
139.148
(v)
142.148
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
4800
25
is
(i)
92
(ii)
96
(iii)
91
(iv)
94
(v)
93
Question
17
17.
log
3
5
3
21
=
(i)
4.2
(ii)
6.2
(iii)
5.2
(iv)
2.2
(v)
3.2
Question
18
18.
If
log
2 = 0.3010,
log
3 = 0.4771,
log
5 = 0.6989,
log
7 = 0.8451,
the value of
log
216
35
810
32
is
(i)
2.1391
(ii)
0.1391
(iii)
9.1391
(iv)
1.1391
(v)
3.1391
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
2.6880
is
(i)
8.429
(ii)
7.429
(iii)
2.429
(iv)
0.429
(v)
1.429
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
1176
is
(i)
-0.134
(ii)
0.866
(iii)
6.866
(iv)
1.866
(v)
7.866
Assignment Key
1) (ii)
2) (iv)
3) (iii)
4) (v)
5) (iv)
6) (v)
7) (v)
8) (i)
9) (iv)
10) (iv)
11) (v)
12) (iv)
13) (i)
14) (ii)
15) (ii)
16) (v)
17) (i)
18) (iv)
19) (iv)
20) (i)
