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UPSC CDS Math Average Questions
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© examsnet.com
Question : 12
Total: 23
A small company pays each of its 5 category ‘C’ workers ₹ 20,000, each of its 3 category ‘B’ workers ₹ 25,000 and a category ‘A’ worker ₹ 65,000. The number of workers earning less than the mean salary is
[2017 CDS-II]
8
5
4
3
Validate
Solution:
Total amount paid to 5 workers of category
C
=
20000
×
5
=
₹
1
,
00
,
000
Total amount paid to 3 workers of category
B
=
25000
×
3
=
₹
75
,
000
Total amount paid to workers of categories A, B and
C
=
100000
+
75000
+
65000
=
₹
2
,
40
,
000
Total number of workers = 9
Therefore, mean salary of the workers
=
(
Total amount paid to workers of categories A, B and C
)
9
=
240000
9
=
₹
26
,
666.66
Number of workers earning less than the mean salary
=
5
+
3
=
8
© examsnet.com
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