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OG2016: 150 is what percent of

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boomgoesthegmat Senior | Next Rank: 100 Posts Default Avatar
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OG2016: 150 is what percent of

Post Sun May 01, 2016 9:31 am
Elapsed Time: 00:00
  • Lap #[LAPCOUNT] ([LAPTIME])
    150 is what percent of 30?

    A) 5%
    B) 20%
    C) 50%
    D) 200%
    E) 500%

    OA: E

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    Post Sun May 01, 2016 9:43 am
    Quote:
    150 is what percent of 30?

    A) 5%
    B) 20%
    C) 50%
    D) 200%
    E) 500%
    The test-makers sometimes like to use different (and tricky) kinds of wording for some percent questions. To be 100% sure of your answer, it might be easiest to PLUG IN the answer choices.
    So, we have 150 is __% of 30

    Now TEST the answers.
    A) 150 is 5% of 30? No... 5% of 30 is 1.5
    B) 150 is 10% of 30? No... 10% of 30 is 3
    C) 150 is 50% of 30? No... 50% of 30 is 15
    D) 150 is 200% of 30? No... 200% of 30 is 60
    E) 150 is 500% of 30? YES! 500% of 30 is 150

    Answer: E

    Cheers,
    Brent

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    Post Sun May 01, 2016 10:57 pm
    Hi boomgoesthegmat,

    The answer choices to this question are so 'spread out' that you can use a bit of 'brute force' math and some logic to get to the correct answer relatively quickly.

    The question asks us what percent of 30 is 150....

    Well, 100% of 30 is 30, so we're clearly looking for a larger percent than 100%.

    200% of 30 is 60, but we're asked to find a percent that equals 150, so we need one that's far greater than 200%.

    There's only one answer left...

    Final Answer: E

    GMAT assassins aren't born, they're made,
    Rich

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