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# Fresh fruits contain 72% water by weight and dry fruits contain 20% wa

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Math Expert
Joined: 02 Sep 2009
Posts: 53066
Fresh fruits contain 72% water by weight and dry fruits contain 20% wa  [#permalink]

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28 Jan 2019, 23:59
00:00

Difficulty:

45% (medium)

Question Stats:

60% (01:46) correct 40% (02:52) wrong based on 23 sessions

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Fresh fruits contain 72% water by weight and dry fruits contain 20% water by weight. How many Kgs. of dry fruits can be obtained from 100 Kgs. of fresh fruits?

A. 25
B. 30
C: 32.5
D. 35
E. 42.5

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Intern
Joined: 19 Jun 2018
Posts: 4
Re: Fresh fruits contain 72% water by weight and dry fruits contain 20% wa  [#permalink]

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29 Jan 2019, 00:28
IMO D.
Total solid(non water content) in 100kgs of fresh fruits= 28 kg
Solid in 1kg dry fruit = 0.8kg
So total dry fruit that can be formed = 28/0.8
= 35

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SVP
Joined: 18 Aug 2017
Posts: 1928
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: Fresh fruits contain 72% water by weight and dry fruits contain 20% wa  [#permalink]

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29 Jan 2019, 01:36
Bunuel wrote:
Fresh fruits contain 72% water by weight and dry fruits contain 20% water by weight. How many Kgs. of dry fruits can be obtained from 100 Kgs. of fresh fruits?

A. 25
B. 30
C: 32.5
D. 35
E. 42.5

72% water ; so 28 kgs fruit in 100 kgs
and 20% water in dry fruit ; .8 kgs of dry fruit from 1 kg weight
so
28/.8 = 35 kgs IMO D
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e-GMAT Representative
Joined: 04 Jan 2015
Posts: 2597
Re: Fresh fruits contain 72% water by weight and dry fruits contain 20% wa  [#permalink]

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29 Jan 2019, 02:45
1

Solution

Given:
• Fresh fruits contain 72% of water by weight, and
• Dry fruits contain 20% of water by weight

To find:
• The number of kgs. of dry fruits that can be obtained from 100 kgs. of fresh fruits

Approach and Working:
Let us assume that the number of kgs. of dry fruits that can be obtained from 100 kgs. of fresh fruits = x
• So, (100 – 20)x = (100 – 72) * 100
o Implies, 80x = 2800
• Therefore, x = $$\frac{2800}{80} = 35$$

Hence, the correct answer is Option D

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Re: Fresh fruits contain 72% water by weight and dry fruits contain 20% wa   [#permalink] 29 Jan 2019, 02:45
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