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24 Dec 2013, 03:55
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E
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Difficulty:
15%
(low)
Question Stats:
81% (01:25) correct
19%
(01:28)
wrong
based on 2235
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A retailer purchased a television set for x percent less than its list price, and then sold it for y percent less than its list price. What was the list price of the television set?
(1) x = 15
(2) x - y = 5
(1) x = 15
(2) x - y = 5
24 Dec 2013, 03:55
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SOLUTION
A retailer purchased a television set for x percent less than its list price, and then sold it for y percent less than its list price. What was the list price of the television set?
(1) x = 15. Clearly insufficient.
(2) x - y = 5. Clearly insufficient.
(1)+(2) Even though we know the values of x and y, we still don't know ANY dollar value (list price, purchase price, selling price). Not sufficient.
Answer: E.
A retailer purchased a television set for x percent less than its list price, and then sold it for y percent less than its list price. What was the list price of the television set?
(1) x = 15. Clearly insufficient.
(2) x - y = 5. Clearly insufficient.
(1)+(2) Even though we know the values of x and y, we still don't know ANY dollar value (list price, purchase price, selling price). Not sufficient.
Answer: E.
24 Dec 2013, 06:58
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Here is a question in which we have to speed up our time to gain more on a difficult question, later.
We certaily set up various % in order to try to find a value.
basically the list price is L and we buy it for a certain % less 20, 30, 5, or else and the same for y
For instance: if X is 15% less we know straight that L is 0.85 and so on.
BUT at a closer look and inspection we do not have a numerical value, what I call an "anchor point" to work with.....
So the Answer must be E without set up anything.
E is the answer and move on..........
We certaily set up various % in order to try to find a value.
basically the list price is L and we buy it for a certain % less 20, 30, 5, or else and the same for y
For instance: if X is 15% less we know straight that L is 0.85 and so on.
BUT at a closer look and inspection we do not have a numerical value, what I call an "anchor point" to work with.....
So the Answer must be E without set up anything.
E is the answer and move on..........
