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From 1985 to 1994, what was the percent increase in total

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From 1985 to 1994, what was the percent increase in total

by BTGmoderatorLU » Tue Dec 31, 2019 9:03 am

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Source: GMAT Paper Tests

From 1985 to 1994, what was the percent increase in total United States trade?

1) Total United States trade in 1985 was 17 percent of the gross domestic product in 1985.
2) Total United States trade in 1994 was 23 percent of the gross domestic product in 1994.

The OA is E
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by SampathKp » Tue Dec 31, 2019 12:52 pm

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BTGmoderatorLU wrote:Source: GMAT Paper Tests

From 1985 to 1994, what was the percent increase in total United States trade?

1) Total United States trade in 1985 was 17 percent of the gross domestic product in 1985.
2) Total United States trade in 1994 was 23 percent of the gross domestic product in 1994.

The OA is E
From (1) we are only given information about 1985 so clearly information is NOT sufficient to answer about 1994
From (2) we are only given information about 1994 so clearly information is NOT sufficient to answer about 1985.

Combining (1) and (2) , As we dont have actual value of trade in 1985 and 1994 we can calculate the % increase in trade from 1985 to 1994.

hence answer is E
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Re: From 1985 to 1994, what was the percent increase in total

by Brent@GMATPrepNow » Sat Jul 03, 2021 5:30 am

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BTGmoderatorLU wrote: ↑
Tue Dec 31, 2019 9:03 am
 Source: GMAT Paper Tests

From 1985 to 1994, what was the percent increase in total United States trade?

1) Total United States trade in 1985 was 17 percent of the gross domestic product in 1985.
2) Total United States trade in 1994 was 23 percent of the gross domestic product in 1994.

The OA is E

Target question: From 1985 to 1994, what was the percent increase in total United States trade?

Since we don't know the gross domestic product in 1985 and 1994, there's no way to answer the target question with certainty.
Consider these two possible cases:

Case a: In 1985 the gross domestic product was $100, and in 1994 the gross domestic product was $100 also.
So, US trade in 1985 was $17, and US trade in 1994 was $23
This represents about an approximate 35% increase from 1985 to 1994.

Case b: In 1985 the gross domestic product was $100,000 and in 1994 the gross domestic product was $100 also.
So, US trade in 1985 was $17,000, and US trade in 1994 was $23
This represents an approximate 99.8% decrease from 1985 to 1994.

Answer: E
Brent Hanneson - Creator of GMATPrepNow.com
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