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Can somebody explain me Q69 OG 12

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hey_thr67 Really wants to Beat The GMAT! Default Avatar
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Can somebody explain me Q69 OG 12 Post Sat May 05, 2012 11:16 am
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  • Lap #[LAPCOUNT] ([LAPTIME])
    Can somebody explain me Q69 OG 12

    Of the four numbers represented on the number line
    above, is r closest to zero?
    (1) q = -s
    (2) -t < q



    Does this question implicitly assumes that q,r,s and t are integers ?

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    niketdoshi123 Really wants to Beat The GMAT!
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    Post Sun May 06, 2012 3:21 am
    <----|----|----|----|----> (number line)
    q r s t

    statement 1
    1) q=-s
    Assume s=2
    so q =-s=-2
    As r is in between q & s, so it will be closest to 0.
    hence sufficient

    statement 2
    2) -t<q
    assume t = 5
    q>-5, so it can be -4,-3,-2,-1,0... as all are greater than -5
    It doesn't give any information about r.
    Hence not sufficient.

    so the answer is A

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