The SAT question everyone got wrong – IOTW Report

43 Comments on The SAT question everyone got wrong

  2. WITH NO NET BELOW ME, I SAY IT’S A MATTER OF THE CIRCUMFERENCE OF EACH WHICH IS 2 PIE RADIUS, THEN, BY DIVISION, SEEING HOW MANY REVOLUTIONS OF THE SMALLER CIRCLE = ONE FOR THE LARGER

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  5. I can’t tell you how many times I was asked that very question during my career of solving problems as a Division and Department Manager.

    As a matter of fact, it was the same number of times I used Algebra as a Manager.

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  6. I came up with the correct answer, was surprised that it wasn’t in the list of available responses. Although I didn’t consider the alternative ‘revolution’ point, clearly valid but fairly obviously not what the creators were thinking. Of course the creators weren’t thinking…
    I took the SAT a year before that. And was on the math team for 3 years, and we won a lot. Didn’t become a jock until college. 🙂

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  15. ok, here’s where my smartass kicks in & argues w/ the professor …

    if Circle A revolves around Circle B, & they are touching, as in the video, then Circle A would wear down 4 times faster than Circle B …. annnnnnnd, because A’s surface area will diminish its diameter at a greater rate than B, being 3 times greater, over time.

    revolution #! – 4.0
    revolution #2 – 3.900000000000000000000000000000000000000000009
    revolution #3 – 3.900000000000000000000000000000000000000000008
    (crude example)

    “entropy; know wut I mean, Vern?”

    … yeah, I’m a jerk

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  16. I’ve designed many gear drives over my engineering career. I used my engineering training and experience to derive my answer and got it wrong. Once he demonstrated it….DUH!

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  20. I think Benito has it right. I said 3 times. then I listened to the math professor. then I cut out a 2 inch circle and a 6 inch circle and then spun it around, 3 times. Math professor must be using common core math, the answer is three.

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  22. Now here’s a real SAT question …
    If a chicken and a half can lay an egg and a half in a day and a half, how many grasshoppers does it take to kick the seeds out of a dill pickle?

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  23. I had a similar problem with my practice COT test. The practice test was an old COT test the union stole from headquarters… and it had some horrific errors in the logic gate section.

    You do this massive 49 input gate diagram and it fails out. I did it 3 or 4 times expecting to find my mistake. I never found it. I walked it over to a real COT and he did it 3 or 4 times and said, “It’s hosed”.

    That was that. The test was fucked up and fucked up a generation of test applicants.

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  24. Went to the Trusty Machinist Handbook. Started with reduction pulleys. Answer, 3.

    Went to Gear and Hobb cutter section. A solid 4. I haven’t had time to sort out the particulars. Weak question. I’d gone with 1. LOL

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  27. A 4-8-8-4 Wasatch Big Boy leaves Bombay at 10:31 GMT to cross Botany Bay. At the same time a Ford Pinto in Sieverville New Jersey cracks a block and spills green shit mixed with brown shit everywhere. They both cross the Tacoma Narrows bridge at the same instant.

    Who saw the Mothman first?

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  32. Yes, but that only works as a general rule of thumb as it relates to the answers given (only had 30 minutes so fiddling around with it for too long would jeopardize time). But my answer above is wrong as I did not include the circumference of ‘A’ added to ‘B’ but 4 is not a given answer…so 3 must be “close enough”. (the video shows this well).

    I recall this question, and thought ‘1’ as A only went around B once…but ‘1’ was not a choice, so picked ‘3’ trying to guess what test makers wanted. The question was actually stupid, proving nothing while adding confusion to test takers. Nowadays CAD programs handle these gear ratio type problems easily with no mistakes.

  35. If I had a job I had to do serious math every day…

    I failed algebra III. Trig. I was thinking about other shit at the time.

    I fuck up cups, and ounces, quarts, quartz, and milliliters.

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  40. That is a misleading headline. When taking a nationally standardized multiple-guess test, no one expects the Spanish Inquisition, errr, no correct answers, including no “none of the above” answer.

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