Most Nearly?

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Vel2018

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I know about if sizing is the question you would go to the next size that can satisfy the requirement.

For values like Drag Force is there any exception to this most nearly meaning? 

If drag force calculated is 157.3 lbf, which is most nearly a 155lbf or 160lbf? 

The answer is 160 lbf as per Lindeburg. 

I know in the real exam most of the answer choices are probably very far from each other but who knows. Just wanted to make sure if there's any other conditions on what most nearly means. 

In this case I picked 155 after I got the answer but when I looked at answer it says 160 is the right answer.

 
In my 13th edition the answer choices are 150 vs 160 rather than 155 vs 160. Makes it a bit easier to decide :)

 
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