Question
42 of
100
Question Palette
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
The average income of a group of 9 workers is ₹137.30, and that of another group of 7 workers is ₹95.06. What is the average income of all the workers?
Correct Option:
A
Explanation
Use a weighted average:
[9(137.30) + 7(95.06)]/16 = 1901.12/16 = 118.82.
Therefore, the average income is ₹118.82.