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In a recent tender, X people participated. 35% of the X people, who ma

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In a recent tender, X people participated. 35% of the X people, who ma [#permalink]

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New post 30 Apr 2016, 11:52
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In a recent tender, X people participated. 35% of the X people, who made an offer won the specific tender they participated in. 70% of the rest, were disappointed from the result of the tender. Which of the following expressions represents the number of people who weren’t disappointed although they didn’t win the tender?

A. 39X/200
B. 25X.50
C. 19.5X/200
D. 35X/250
E. 90X/200
[Reveal] Spoiler: OA

Kudos [?]: 6 [0], given: 2

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Re: In a recent tender, X people participated. 35% of the X people, who ma [#permalink]

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New post 30 Apr 2016, 21:05
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gonebada93 wrote:
In a recent tender, X people participated. 35% of the X people, who made an offer won the
specific tender they participated in. 70% of the rest, were disappointed from the result of
the tender. Which of the following expressions represents the number of people who
weren’t disappointed although they didn’t win the tender?

1. 39X/200
2. 25X.50
3. 19.5X/200
4. 35X/250
5. 90X/200

Don't have the answer and not sure about the source as I got this from my friend.



hi,
the total number is X..
35% won so .35X are OUT..
70% of remaining .65X were disappointed, so 30% of .65X were not disappointed = \(\frac{30}{100}*.65X = \frac{19.5X}{100} = \frac{39X}{200}\)
ans A..
you can also substitute value of X as 100 and then work out..
30% of .65X means 30/100*.65*100 = 19.5..

check choices..
ONLY 1 and 3 are in that format..
1. \(\frac{39x}{200} = \frac{39*100}{200} = 19.5\) .. YES
3. \(\frac{19.5X}{200}= \frac{19.5*100}{200} =\frac{19.5}{2}\) .. NO
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Re: In a recent tender, X people participated. 35% of the X people, who ma [#permalink]

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New post 09 Oct 2017, 16:54
gonebada93 wrote:
In a recent tender, X people participated. 35% of the X people, who made an offer won the specific tender they participated in. 70% of the rest, were disappointed from the result of the tender. Which of the following expressions represents the number of people who weren’t disappointed although they didn’t win the tender?

A. 39X/200
B. 25X.50
C. 19.5X/200
D. 35X/250
E. 90X/200


Since 35% of the X people won the tender, 65% of the X people, or 0.65X people, didn’t win the tender. Of the 0.65X people who didn’t win the tender, 70% of them were disappointed; thus, 30% of them were not. That is, 0.3(0.65X) = 0.195X people were not disappointed that they didn’t win the tender. Now let’s convert this to a fraction:

0.195X = 195X/1000 = 39X/200

Answer: A
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Kudos [?]: 833 [0], given: 2

Re: In a recent tender, X people participated. 35% of the X people, who ma   [#permalink] 09 Oct 2017, 16:54
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