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Official GMAT Quest 2

by preciousrain7 » Tue Jan 15, 2008 4:14 pm
Company R’s annual profit has increased by a constant amount each calendar year since 1985. What was Company R’s annual profit in 1991?

(1) In 1985 Company R’s annual profit was $212,000; in 1989 Company R’s annual profit was $242,000.

(2) Company R’s annual profit has increased by $7,500 each year since 1985.


[spoiler]the official ans is A, why isn't it D?


Thanks![/spoiler]
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Source: — Data Sufficiency |
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by simplyjat » Tue Jan 15, 2008 9:06 pm
The second information does not tell the profit in 1985...
so we can assume profit in 1985 to be x
then profit in 1991 = 6*(7500) + x, but thats it we have no way to eliminate X
simplyjat
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by preciousrain7 » Wed Jan 16, 2008 12:23 pm
simplyjat wrote:The second information does not tell the profit in 1985...
so we can assume profit in 1985 to be x
then profit in 1991 = 6*(7500) + x, but thats it we have no way to eliminate X
OMG i finally got it! Thanks! My test is on next Friday. I guess I"m just freaking out.
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