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GMAT 800 - Toughest GMAT Questions


  • A newborn kangaroo, or joey, is born after a short gestation period of only 39 days. At this stage, the joey’s hind limbs are not well developed, but its forelimbs are well developed, so that it can can climb from the cloaca into its mother’s pouch for further development. The recent discovery that ancient marsupial lions were also born with only their forelimbs developed supports the hypothesis that newborn marsupial lions must also have needed to climb into their mothers’ pouches.

    The argument in this passage relies on which of the following assumptions?

    [A] All animals that are born after a short gestation period are born with some parts of their bodies underdeveloped.
    [B] Well developed...

  • Set A consists of integers -9, 8, 3, 10, and J; Set B consists of integers -2, 5, 0, 7, -6, and T. If R is the median of Set A and W is the mode of set B, and R^W is a factor of 34, what is the value of T if J is negative?

    (A) -2
    (B) 0
    (C) 1
    (D) 2
    (E) 5

    Solution

    This problem demonstrates a helpful note about statistics problems – quite often the key to solving a stats problem is something other than stats: number properties, divisibility, algebra, etc. The statistics nature of these problems is often just a way to make a simpler problem look more difficult.

    Here, the phrase “factor of 34? should stand out to...


  • Q) The Chorus from Sam Smith's "Stay With Me" has an eerie resemblance to Tom Petty's 1989 song - “I Won’t Back Down. Mr. Petty and Jeff Lynne, the Songwriters, filed a copyright violation case and settled out of court. Modern song creation has evolved away from the standard process - starting with the lyrics, the sheet music, and finally the tune. For new song creators, it would be impossible to fight cases where some parts of the song had similar sheet music as the songs in the 70s and 80s.

    Which one of the following statements weakens the argument?


    a) According to Muzic82 - an aggregated opinion database from Music Experts, 98% of the experts felt that Sam Smith's song had...


  • Q) Vegan Diet proponents have often claimed that low-carb, high-fat diets integral in a non-vegetarian diet is dangerous, and therefore, they have a superior and balanced diet. In fact, vegan diets lack important nutrients, responsible for brain function and blood formation.

    Which of the following statements support the conclusion of the argument?

    a) Carnosine - a protective agent against aging is found only in Animal Foods.

    b) Vitamin B12, found mostly in meat, and responsible for vital brain functions, is deficient in a Vegan diet with a recent study showing 92% of vegans lacking this crucial nutrient.

    c) There are no conclusive studies to support the theory...


  • Q) If you go by the popularity of Gaming units, as of Jan 4th 2015, Sony’s PS4 sold 18.5 million units and reached 10.9 million PlayStation Plus subscribers, a growth of 37.9% from October 2014.  Despite the massive growth, Sony’s PlayStation is behind Microsoft’s Xbox One, which in November 2014 accelerated its sales due to a $50 price cut, and a bundle of free games. On 28th January 2015, Spotify, the leading music subscription service announced an exclusive partnership with PS4, and offered digital music to 64 million PlayStation Network users. With the announcement, Feb 2015 saw a spike in sales for the PS4 units by 45%.

    Which one of the following conclusions is valid for the above statements...

  • Categories : Number Properties

    If a and b are both positive integers, is b^(a+1) - b(a^b) odd?

    (1) a + (a + 4) + (a - 8) + (a + 6) + (a - 10) is odd
    (2) b^3 + 3b^2 + 5b + 7 is odd

    Explanation:

    The trick to solving this question is to remember that for positive integers:

    (a) Even^(positive integer) = even
    (b) Odd^(positive integer) = odd
    (c) even x even = even x odd = even
    (d) even – even = even
    (e) odd – odd = even
    (f) even – odd = odd


    Using statement (1):...


  • Two sides of a right angled triangle are 15 cm and 17 cm. Find the length of the third side

    I.  8 cm  II. 32 cm    III. Sqrt.514 cm    IV. 514 cm

    A)    II only
    B)    I only
    C)    I & III only
    D)    II & III only
    E)    I, II & III
                       

    Solution


    ...


  • GMAT MomentumLike a  tae kwon do blackbelt or an icy road, the GMAT is perhaps most famous for its ability to use your own momentum against you.  Few places is this as evident as on Critical Reasoning questions, in which the most common way to answer incorrectly is to allow your subconscious mind to lead you to a slightly-out-of-scope conclusion that the psychological warriors at GMAC have already anticipated you’d conclude.  Accordingly, to perform well on Critical Reasoning questions it is, well, critical that you...


  • Find the area of the triangle QRS
                               
    A)    90 cm
    B)    80 cm
    C)    110 cm
    D)    55 cm
    E)    45 cm        
             

    ...


  • Jay: "#IfObamaLoses trended on twitter for 4 hours on Oct 28th 2012. Therefore, Obama is likely to lose the election”

    Which statement weakens the argument presented by Jay?

    a) #IfObamaLoses was fourth in the twitter trending list

    b) #IfObamaLoses was trending when most of the American twitter users were asleep, hence the twitter trend represents a small minority of active users in the US.

    c) #IfObamaLoses was started by a news channel that is speculated to be the mouthpiece for the republican party

    d) #IfObamaLoses was started as a joke by a well-known democratic supporter

    e) #IfObamaLoses was used predominantly by the 18...

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