Yocket Hub

2 months ago

In 2009, the price of each Econolux car increased by 10 percent from the 2008 price... (GRE Quants)

In 2009, the price of each Econolux car increased by 10 percent from the 2008 price. In 2010, they decreased by 5 percent and now cost between \$18,000 and \$19,800. Which of the following could be the price of a 2008 Econolux car?
Indicate ALL possible values.
A)\$17,030
B)\$17,230
C)\$18,180
D)\$18,935
E)\$18,955
F)\$20,790

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Yocket Hub Author

2 months ago

The correct Answer is B, C, and D It’s useful to use PITA in this problem. Note that increasing something by 10 percent is the same as multiplying by 1.10, and decreasing something by 5 percent is the same as multiplying by 0.95. Definitely use your on-screen calculator on a problem such as this. Because you are dealing with a range, it will save you time to work from the top down until you reach ... See more

Rounak Mazumder

2 months ago

Min Current value =18000 Max Current value =19800 Let price in 2008 be X. X ×110/100×95/100 = 18000 And X x 110/100 × 95/100 = 19800 => X = 17224 and 18947 Hence , 17224 < X < 18947 Options B,C,D lies in the given range. See more

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Ayush Singh

2 months ago

Can anyone tell me.... According to GRE.... This question is in which level..... Easy Mediam or Hard ?? See more

1

2 months ago

17224<x<18947

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M kartikeya Datta

2 months ago

B,c,d

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