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A refrigerator holds a number of apples, bananas, carrots an

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A refrigerator holds a number of apples, bananas, carrots an

by BTGmoderatorAT » Sat Dec 23, 2017 5:26 am
A refrigerator holds a number of apples, bananas, carrots and dates. If the ratio of apples to bananas is 2 to 5 and the ratio of carrots to dates is 3 to 7, then what is the ratio of apples to dates?

(1) The ratio of bananas to carrots is 50 to 21
(2) The total number of apples, bananas, carrots and dates is 280

What's the best way to determine whether statement 1 is sufficient? Can any experts explain?
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Source: — Data Sufficiency |
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by elias.latour.apex » Sun Dec 24, 2017 2:05 pm
When embarking on a data sufficiency question, it is best to ask yourself up front what you need. Here we are trying to determine the ratio of apples to dates. So if we knew the ratio of apples to carrots, bananas to dates, or bananas to carrots, we would be able to figure out the ratio.

Statement 1 gives us what we need.
Statement 2 does not give us what we need.
Elias Latour
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