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500 ds test11 # 17

This topic has 2 member replies
dunkin77 Master | Next Rank: 500 Posts Default Avatar
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Posted:
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500 ds test11 # 17

Post Thu Apr 19, 2007 12:11 pm
Elapsed Time: 00:00
  • Lap #[LAPCOUNT] ([LAPTIME])
    17. Four dollar amounts, w, x, y, and z, were invested in a business. Which amount was greatest'?

    (1) y < z < x
    (2) x was 25 percent of the total of the four investments.



    Hi,

    I though the answer should be E) (cause w could be greater than x) but the correct answer is shown as C) -- Can anyone confirm this??

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    Prasanna Master | Next Rank: 500 Posts
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    Post Thu Apr 19, 2007 8:19 pm
    dunkin77 wrote:
    17. Four dollar amounts, w, x, y, and z, were invested in a business. Which amount was greatest'?

    (1) y < z < x
    (2) x was 25 percent of the total of the four investments.



    Hi,

    I though the answer should be E) (cause w could be greater than x) but the correct answer is shown as C) -- Can anyone confirm this??
    By (2) x is 25% of the value. By (1), y and z have to be lesser than 25% each (also fulfilling y<z). What this means is that the value if w should be greater than 25% and hence it would have the greatest value. Hence the correct option is C

    dunkin77 Master | Next Rank: 500 Posts Default Avatar
    Joined
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    Posted:
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    Post Thu Apr 19, 2007 8:28 pm
    ok, I think I miscalculated.... Embarassed

    even thoug y and z are close enough to 25, say, y23% < z24% < x25% then, w would still be greater than 25%.

    hence, C) is correct.

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