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A certain punch contains grape juice, orange juice, and pineapple juic

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Status: It's near - I can see.
Joined: 13 Apr 2013
Posts: 1364
Location: India
GMAT 1: 480 Q38 V22
GPA: 3.01
WE: Engineering (Consulting)
A certain punch contains grape juice, orange juice, and pineapple juic  [#permalink]

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17 Sep 2018, 10:02
00:00

Difficulty:

5% (low)

Question Stats:

87% (00:47) correct 13% (00:57) wrong based on 38 sessions

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A certain punch contains grape juice, orange juice, and pineapple juice and no other ingredients in a ratio of 2: 3: 7 respectively. If a bowl of this punch contains 21 ounces of orange juice, how many ounces of pineapple juice does it contain

1. 12

2. 14

3. 21

4. 49

5. 84

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Intern
Joined: 08 Jan 2017
Posts: 9
Location: India
GMAT 1: 630 Q45 V31
GPA: 4
WE: Engineering (Computer Software)
Re: A certain punch contains grape juice, orange juice, and pineapple juic  [#permalink]

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17 Sep 2018, 23:07
1
Grape:Orange:Pineapple = 2:3:7

Orange juice = 21
(3x)/(2+3+7) = 21
x = 21*4

Pineapple juice = 7x/(2+3+7)
= 7*21*4/12
= 49

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Re: A certain punch contains grape juice, orange juice, and pineapple juic &nbs [#permalink] 17 Sep 2018, 23:07
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