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22 Dec 2014, 09:24
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
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Question Stats:
87% (00:56) correct
13%
(01:16)
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based on 178
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In a serving of a breakfast cereal that contains only oats, raisins, and nuts, the ratio of oats to raisins to nuts by weight is 3 to 2 to 1, respectively. How many ounces of raisins are in the serving ?
(1) The serving weighs 4 ounces.
(2) The serving contains 2 ounces of oats.
(1) The serving weighs 4 ounces.
(2) The serving contains 2 ounces of oats.
22 Dec 2014, 09:58
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Solution: O:R:N = 3:2:1, Determine R?
Statement 1: The serving weighs 4 ounces
R= 4 * (Ratio of R / Total) = 4 * (2/6) -- Sufficient
Statement 2: The serving contains 2 ounces of oats
R= 2 * (Ratio of R/O) = 2 * (2/3) -- Sufficient
Each Statement alone is sufficient, Answer D
Statement 1: The serving weighs 4 ounces
R= 4 * (Ratio of R / Total) = 4 * (2/6) -- Sufficient
Statement 2: The serving contains 2 ounces of oats
R= 2 * (Ratio of R/O) = 2 * (2/3) -- Sufficient
Each Statement alone is sufficient, Answer D
qw1981
Joined: 27 Jan 2013
Last visit: 01 Jun 2015
Posts: 169
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Location: United States
Concentration: Entrepreneurship, Marketing
Schools: Johnson '16 (S) Anderson '16 (S) McCombs '16 (WL) IESE '16 (II) Tepper '17 (WA) LBS '17 (S) Kenan-Flagler '17 (A)
GMAT 1: 730 Q49 V40
GPA: 3.5
WE:Supply Chain Management (Telecommunications)
Schools: Johnson '16 (S) Anderson '16 (S) McCombs '16 (WL) IESE '16 (II) Tepper '17 (WA) LBS '17 (S) Kenan-Flagler '17 (A)
GMAT 1: 730 Q49 V40
Posts: 169
22 Dec 2014, 21:02
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from question we know that O:R:N::3:2:1. From Concepts of Ratios a person needs to be aware that we we only need one actual value of one of the 3 unknowns viz O,R,N or the total weight to calculate all the values.
S(1): Gives us total weight. Hence we can calculate weight of raisins. Hence Suff
S(2): Gives us weight of one ingredient based on which we can derive all other weights. Hence Suff.
THus answer is D.
S(1): Gives us total weight. Hence we can calculate weight of raisins. Hence Suff
S(2): Gives us weight of one ingredient based on which we can derive all other weights. Hence Suff.
THus answer is D.
