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30 Aug 2018, 00:27
Kudos
Bookmarks
B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
83% (01:38) correct
17%
(01:42)
wrong
based on 77
sessions
History
Date
Time
Result
Not Attempted Yet
| Product Category | Weekly Revenue |
| Pens | $164 |
| Pencils | $111 |
| Legal pads | $199 |
| Erasers | $38 |
| Average (arithmetic mean) of categories above | $128 |
(A) $130
(B) $131
(C) $132
(D) $164
(E) $176
30 Aug 2018, 00:46
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Bunuel
Given average revenue per week=$128
Error difference=$176-$164=$12
This difference of $12 is distributed among 4 categories given in the grid. So, each category belongs to 12/4=$3.
So, correct average=128+3=$131
Ans. (B)
30 Aug 2018, 01:00
Kudos
Bookmarks
It is a very basic level question.
176-164=12, which can be divided among 4 products.
3 will be added to each product, thereby the average increases from 128 to 131.
ANS:B
176-164=12, which can be divided among 4 products.
3 will be added to each product, thereby the average increases from 128 to 131.
ANS:B
