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15 Oct 2013, 08:04
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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:
15%
(low)
Question Stats:
75% (00:53) correct
25%
(00:58)
wrong
based on 979
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Time
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At a souvenir shop, all posters are priced equally and all maps are priced equally. What is the total price of 8 posters and 6 maps at the souvenir shop?
1) At the souvenir shop, the total price of 4 posters and 3 maps is $39.70
2) At the souvenir shop, the total price of 12 posters and 9 maps is $119.10
1) At the souvenir shop, the total price of 4 posters and 3 maps is $39.70
2) At the souvenir shop, the total price of 12 posters and 9 maps is $119.10
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15 Oct 2013, 08:08
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At a souvenir shop, all posters are priced equally and all maps are priced equally. What is the total price of 8 posters and 6 maps at the souvenir shop?
Questions: 8p + 6m = ?
(1) At the souvenir shop, the total price of 4 posters and 3 maps is $39.70 --> 4p + 3m = 39.70 --> multiply by 2: 8p + 6m = 2*39.70. Sufficient.
(2) At the souvenir shop, the total price of 12 posters and 9 maps is $119.10 --> 12p + 9m = 119.10 --> multiply by 2/3: 8p + 6m = 2/3*39.70119.10 . Sufficient.
Answer: D.
Questions: 8p + 6m = ?
(1) At the souvenir shop, the total price of 4 posters and 3 maps is $39.70 --> 4p + 3m = 39.70 --> multiply by 2: 8p + 6m = 2*39.70. Sufficient.
(2) At the souvenir shop, the total price of 12 posters and 9 maps is $119.10 --> 12p + 9m = 119.10 --> multiply by 2/3: 8p + 6m = 2/3*39.70119.10 . Sufficient.
Answer: D.
29 May 2015, 11:35
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Hi All,
Chances are quite high that you'll see a DS question that tests this EXACT concept on Test Day (you'll likely see it just once, but it's an easy 'pick up' if you recognize it). The broader concept that is tested here is your ability to spot a 'multiple' of a given piece of information and use that pattern to avoid doing heavy calculations. Take note of any question that seems to ask for a really specific combination of items. Here, the question asks for the price of 8 posters and 6 maps....but WHY 8 and 6??? Whoever wrote this question chose those two numbers for a specific reason....maybe it's because we're supposed to look for multiples....
GMAT assassins aren't born, they're made,
Rich
Chances are quite high that you'll see a DS question that tests this EXACT concept on Test Day (you'll likely see it just once, but it's an easy 'pick up' if you recognize it). The broader concept that is tested here is your ability to spot a 'multiple' of a given piece of information and use that pattern to avoid doing heavy calculations. Take note of any question that seems to ask for a really specific combination of items. Here, the question asks for the price of 8 posters and 6 maps....but WHY 8 and 6??? Whoever wrote this question chose those two numbers for a specific reason....maybe it's because we're supposed to look for multiples....
GMAT assassins aren't born, they're made,
Rich
.
