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# Raisins are made by drying grapes in the sun. Although some

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Current Student
Affiliations: SAE
Joined: 11 Jul 2012
Posts: 514
Location: India
Concentration: Strategy, Social Entrepreneurship
GMAT 1: 710 Q49 V37
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WE: Project Management (Energy and Utilities)
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Raisins are made by drying grapes in the sun. Although some [#permalink]  28 Sep 2012, 03:49
00:00

Difficulty:

35% (medium)

Question Stats:

65% (02:17) correct 34% (01:14) wrong based on 86 sessions
Raisins are made by drying grapes in the sun. Although some of the sugar in the grapes is caramelized in the process, nothing is added. Moreover, the only thing removed from the grapes is the water that evaporates during the drying and water contains no calories or nutrients. The fact that raisins contain more iron par calorie than grapes do is thus puzzling. Which one of the following if true most helps to explain why Raisins contain more iron per calorie than do grapes?

a. Since Grapes are bigger than Raisins, it takes several bunch of Grapes to provide same amount of iron as a handful of Raisins.
b. Caramelized sugar cannot be digested, so its calorie do not count towards the calorie contents of Raisins.
c. The body can absorb iron and other nutrients more quickly from Grapes because of relatively high water contents of Grapes.
d. Raisins, but not Grapes are available year round, so many people get a greater share of their yearly iron from Raisins than from Grapes.
e. Raisins are often eaten in combination with other iron containing foods, while Grapes are usually eaten themselves.
[Reveal] Spoiler: OA

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Last edited by getgyan on 28 Sep 2012, 22:45, edited 1 time in total.
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Re: Raisins are made by drying grapes [#permalink]  28 Sep 2012, 04:36
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getgyan wrote:
Raisins are made by drying grapes in the sun. Although some of the sugar in the grapes is caramelized in the process, nothing is added. Moreover, the only thing removed from the grapes is the water that evaporates during the drying and water contains no calories or nutrients. The fact that raisins contain more iron par calorie than grapes do is thus puzzling. Which one of the following if true most helps to explain why Raisins contain more iron per calorie than do grapes?

a. Since Grapes are bigger than Raisins, it takes several bunch of Grapes to provide same amount of iron as a handful of Raisins.
b. Caramelized sugar cannot be digested, so its calorie do not count towards the calorie contents of Raisins.
c. The body can absorb iron and other nutrients more quickly from Grapes because of relatively high water contents of Grapes.
d. Raisins, but not Grapes are available year round, so many people get a greater share of their yearly iron from Raisins than from Grapes.
e. Raisins are often eaten in combination with other iron containing foods, while Grapes are usually eaten themselves.

To explain : Raisins have more iron per calorie.

Two ways to prove that:
1) more iron with calorie remaining the same
2)less calorie with iron content remaining the same.

Since we know only water evaporated which had no calorie or iron content.

now sugar is Caramelized , if this caramelized sugars calorie is not counted towards the calorie of raisin then there will be less calorie with same iron content. Hence there will be more IRON per CALORIE

Hope it helps
Manhattan GMAT Instructor
Joined: 08 May 2012
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Re: Raisins are made by drying grapes [#permalink]  29 Sep 2012, 13:39
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Expert's post
getgyan wrote:
Raisins are made by drying grapes in the sun. Although some of the sugar in the grapes is caramelized in the process, nothing is added. Moreover, the only thing removed from the grapes is the water that evaporates during the drying and water contains no calories or nutrients. The fact that raisins contain more iron par calorie than grapes do is thus puzzling. Which one of the following if true most helps to explain why Raisins contain more iron per calorie than do grapes?

a. Since Grapes are bigger than Raisins, it takes several bunch of Grapes to provide same amount of iron as a handful of Raisins.
b. Caramelized sugar cannot be digested, so its calorie do not count towards the calorie contents of Raisins.
c. The body can absorb iron and other nutrients more quickly from Grapes because of relatively high water contents of Grapes.
d. Raisins, but not Grapes are available year round, so many people get a greater share of their yearly iron from Raisins than from Grapes.
e. Raisins are often eaten in combination with other iron containing foods, while Grapes are usually eaten themselves.

Ah, my favorite kind of CR question – one that's really about math!

In this case, it's FDPs. Let's let F = iron content and C = calories. How can we make the fraction F/C bigger? Either make the numerator larger or make the denominator smaller!

Making the numerator larger is not possible, since no iron is added during this process. Therefore, we must somehow make C smaller. (B) does exactly that, and no other answer choice does.

Moral of the story: don't be afraid to use math on CR!
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Re: Raisins are made by drying grapes   [#permalink] 29 Sep 2012, 13:39
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# Raisins are made by drying grapes in the sun. Although some

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