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OG 10 Q-102

This topic has 3 member replies
TheGuest Junior | Next Rank: 30 Posts Default Avatar
Joined
15 Jan 2010
Posted:
27 messages

OG 10 Q-102

Post Sat Feb 20, 2010 11:26 am
Elapsed Time: 00:00
  • Lap #[LAPCOUNT] ([LAPTIME])
    If T=5/9*(K - 32), and if T=290, then K=

    (A) 1,738/9
    (B) 322
    (C) 490
    (D) 554
    (E) 2,898/5

    Books states the answer is D but I got C.

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    shashank.ism Legendary Member
    Joined
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    Post Sat Feb 20, 2010 11:29 am
    TheGuest wrote:
    If T=5/9*(K - 32), and if T=290, then K=

    (A) 1,738/9
    (B) 322
    (C) 490
    (D) 554
    (E) 2,898/5

    Books states the answer is D but I got C.
    T=5/9*(K - 32) , T=290
    --> 290 = 5/9*(K - 32) --> 290 x5/9 = K-32 --> 522 = k-32 --> k = 554
    Ans D ....its very simple..hope u understand..


    please post ur solution ...I would rectify it...

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    TheGuest Junior | Next Rank: 30 Posts Default Avatar
    Joined
    15 Jan 2010
    Posted:
    27 messages
    Post Sat Feb 20, 2010 11:47 am
    Well you got it wrong =) Not "290 x5/9" but "290/(5/9)"
    I see what I did wrong here. I got K-32=522 instead of K=522+32 I did K=522-32. As always just need to pay attention to details.

    Thanks,
    TheGuest

    shashank.ism wrote:
    TheGuest wrote:
    If T=5/9*(K - 32), and if T=290, then K=

    (A) 1,738/9
    (B) 322
    (C) 490
    (D) 554
    (E) 2,898/5

    Books states the answer is D but I got C.
    T=5/9*(K - 32) , T=290
    --> 290 = 5/9*(K - 32) --> 290 x5/9 = K-32 --> 522 = k-32 --> k = 554
    Ans D ....its very simple..hope u understand..


    please post ur solution ...I would rectify it...

    shashank.ism Legendary Member
    Joined
    20 Jul 2009
    Posted:
    1021 messages
    Followed by:
    2 members
    Thanked:
    41 times
    Test Date:
    ND
    Target GMAT Score:
    780
    GMAT Score:
    NA
    Post Sat Feb 20, 2010 12:13 pm
    TheGuest wrote:
    Well you got it wrong =) Not "290 x5/9" but "290/(5/9)"
    I see what I did wrong here. I got K-32=522 instead of K=522+32 I did K=522-32. As always just need to pay attention to details.

    Thanks,
    TheGuest

    shashank.ism wrote:
    TheGuest wrote:
    If T=5/9*(K - 32), and if T=290, then K=

    (A) 1,738/9
    (B) 322
    (C) 490
    (D) 554
    (E) 2,898/5

    Books states the answer is D but I got C.
    T=5/9*(K - 32) , T=290
    --> 290 = 5/9*(K - 32) --> 290 x5/9 = K-32 --> 522 = k-32 --> k = 554
    Ans D ....its very simple..hope u understand..


    please post ur solution ...I would rectify it...
    oh sorry guest I did a basic mistake it will be actually 290 = 5/9*(K - 32) --> 290 x9/5 = K-32 ...but ans is correct ...I did mistake in haste ..actually i m solving problem on lappy only without pen and paper...well thanks for pointing out the mistake..

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