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1,001 questions about the ASTB (post your scores & ask your questions here!)

njrecc

Well-Known Member
Retaking the test in the spring in hopes to submit the package by summer. I've seen where engineering gpa tends to be lower due to the difficulty of the major but as a 2.7 Criminal Justice major with a year left in college I would think my ASTB scores would need to be on the upper hand of 50 and 7's across the board? Also not sure if having a direct family member that flew for the Navy would have any affect on the boards.
Oh yeah, GPA's seem to range all over the place, I believe 2.5 is the minimum, not sure. But I know those ASTB scores don't qualify you for an SNA spot. Again, not exactly sure what the minimum is, you'd have to look it up. I wanna say 5/6/6 but not sure.
 

E6BFlightComp

Active Member
Retaking the test in the spring in hopes to submit the package by summer. I've seen where engineering gpa tends to be lower due to the difficulty of the major but as a 2.7 Criminal Justice major with a year left in college I would think my ASTB scores would need to be on the upper hand of 50 and 7's across the board? Also not sure if having a direct family member that flew for the Navy would have any affect on the boards.

@njrecc is right its a 5/6/6 is the minimum. And according to the other sections of this forum a 58 7/8/7 would be considered competitive for an SNA slot.
 
Greeting everyone I am posting practice test that I did while studying for the OAR Exam I will follow them with answers to show how i got to my answers.
 

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The other portion of practice test
 

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Brand0034

Well-Known Member
Does the math portion have binomial combination? "Kyles Math section" has a worksheet with them and that seems way too complex for no calculator.
For example a question:
A jar contains ten black buttons and six brown buttons. If nine buttons are picked at random, what is the probability that exactly five of them are black?
To solve:
9C5(5/8)^5(3/8)^4
->(9!/5!4!)(5^5)(3^4)/(8^9)

That would take forever to actually multiply out by hand and no math courses even expect you to do that without calculator. Even beyond calculus where we couldn't use a calculator, these problems would never be asked.

Are the questions actually this long or are they more along the lines of basic dependent/independent probability?
i.e. "If there are 9 marbles, 3 blue, 3 red, 3 green, what are the chances of selecting 3 blue in a row without returning the marbles?"
 

njrecc

Well-Known Member
Does the math portion have binomial combination? "Kyles Math section" has a worksheet with them and that seems way too complex for no calculator.
For example a question:
A jar contains ten black buttons and six brown buttons. If nine buttons are picked at random, what is the probability that exactly five of them are black?
To solve:
9C5(5/8)^5(3/8)^4
->(9!/5!4!)(5^5)(3^4)/(8^9)

That would take forever to actually multiply out by hand and no math courses even expect you to do that without calculator. Even beyond calculus where we couldn't use a calculator, these problems would never be asked.

Are the questions actually this long or are they more along the lines of basic dependent/independent probability?
i.e. "If there are 9 marbles, 3 blue, 3 red, 3 green, what are the chances of selecting 3 blue in a row without returning the marbles?"
I experienced nothing that would take that long to work. I read a comment on this thread saying he had a question that took him like 4 minutes. I doubt that they would have a question like that that would take so long to compute since they know you don't have a calculator. If I had received that question I probably would've guessed and moved on instead of spending that much time.
 
I experienced nothing that would take that long to work. I read a comment on this thread saying he had a question that took him like 4 minutes. I doubt that they would have a question like that that would take so long to compute since they know you don't have a calculator. If I had received that question I probably would've guessed and moved on instead of spending that much time.
basic independent and dependent probability I understand some of the problems are bit complex but from the things I've read about the math portion lead me to believe it could get very challenging. That is why i wanted to challenge myself with difficult problems. A lot of the math in the practice sets i made are from digging through the forum as well.
 

SHART

Active Member
Hey everyone, can someone explain the answers to the attached. At first I was getting it, or so I thought. Now I'm just lost in the storm and I want to get proficient before my test on thursday. Thank you in advance.
 

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sskanchiraju

Active Member
Hey everyone, can someone explain the answers to the attached. At first I was getting it, or so I thought. Now I'm just lost in the storm and I want to get proficient before my test on thursday. Thank you in advance.

Using the first one as an example, the heading is southwest so if you were to look that way the A lot would be the one to your right, and the D lot would be the one to your left. In the case of the first card, South is to the left of Southwest so it would be the D lot.
 

SHART

Active Member
Using the first one as an example, the heading is southwest so if you were to look that way the A lot would be the one to your right, and the D lot would be the one to your left. In the case of the first card, South is to the left of Southwest so it would be the D lot.

So what I need to do is in a sense spin the orientation of the map to act as if the arrow is pointing north a find the parking lot that way? So for the first one rotate the SW arrow north and thus south being to the left?
 

sskanchiraju

Active Member
So what I need to do is in a sense spin the orientation of the map to act as if the arrow is pointing north a find the parking lot that way? So for the first one rotate the SW arrow north and thus south being to the left?
Pretty much. If it's one of the main four cardinal directions, the A lot is the heading itself. If it's one of the diagonals, then the A lot is to the right while the D lot is to the left. There is a video floating around about the compass trick that is super helpful where you draw out a compass and rotate it based on the question. I'm taking the exam on Wednesday so I can't vouch for it yet, but personally I used the video to understand the section itself but find it easier just to visualize spinning the orientation in my head.
 

Brand0034

Well-Known Member
Can someone verify the Barron's book has this wrong? They used the opposite formula for each problem.
Number 15 the answer should be 2 because it has twice the area.
Number 12 should be 4 because it's twice the diameter which would equal 4x the area.
 

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jlebsock

Member
I've been noticing some information with some faulty facts when it comes to "self-made" practice tests and notes posted on here. Don't get me wrong they are still an excellent source of information but for example in the "OAR Mechanical Comprehension" study guide ive seen floating around this forum there are a few answers that are wrong.

-Example: #67 "how is lift generated from airfoils?" and the answer on the guide is the low pressure underneath the wing is what causes lift. The correct answer would be the low pressure ABOVE the wing is the major source of lift. Its sort of a vacuum principle. Just be careful and if something seems unsure to you from these other attachments just double check from a credible source.
 

Brand0034

Well-Known Member
This is from a certified study book which I thought was strange. Not just a personal study guide. I’ve found multiple mistakes in this book alone. Just makes me second guess myself sometimes lol.
 
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