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14 May 2020, 01:51
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
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Question Stats:
88% (01:26) correct
12%
(01:04)
wrong
based on 270
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A Lentil mixture is prepared using 2 different types of lentils: yellow and red. The ratio, in grams, of yellow lentils to red lentils is 3:2. How many grams of yellow lentils are in the mixture?
(1) The ratio of the densities (mass per unit volume) of yellow lentil to red lentil is 2:3.
(2) If 50 grams of yellow lentils are removed from the mixture, the ratio of yellow to red in the resulting mixture is 5:4
14 May 2020, 02:31
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Here we need to find grams of lentils.
Question stem gives us ratio 3/2. Only option B is talking about the grams.
Let yellow = 3x, Red = 2x
B says = (3x-50)/2x = 5/4
Solve for x.
A is not giving anything about grams.
So IMO B
Question stem gives us ratio 3/2. Only option B is talking about the grams.
Let yellow = 3x, Red = 2x
B says = (3x-50)/2x = 5/4
Solve for x.
A is not giving anything about grams.
So IMO B
14 May 2020, 04:17
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The ratio, in grams, of yellow lentils to red lentils is: Y/R= 3/2.
Q. How many grams of yellow lentils (Y) are in the mixture?
(1) The ratio of the densities (mass per unit volume) of yellow lentil to red lentil is 2:3.
We have no information on volume of each lentil. NOT SUFFICIENT
(2) If 50 grams of yellow lentils are removed from the mixture, the ratio of yellow to red in the resulting mixture is 5:4
(Y-50)/R= 5/4
Y/R - 50/R = 5/4
3/2 - 50/R = 5/4
1/4 = 50/R
Red lentils: R= 200 gr
Yellow lentils: Y= 200 * (3/2) = 300 gr
SUFFICIENT
FINAL ANSWER IS (B)
Posted from my mobile device
Q. How many grams of yellow lentils (Y) are in the mixture?
(1) The ratio of the densities (mass per unit volume) of yellow lentil to red lentil is 2:3.
We have no information on volume of each lentil. NOT SUFFICIENT
(2) If 50 grams of yellow lentils are removed from the mixture, the ratio of yellow to red in the resulting mixture is 5:4
(Y-50)/R= 5/4
Y/R - 50/R = 5/4
3/2 - 50/R = 5/4
1/4 = 50/R
Red lentils: R= 200 gr
Yellow lentils: Y= 200 * (3/2) = 300 gr
SUFFICIENT
FINAL ANSWER IS (B)
Posted from my mobile device
