GMAT Data Sufficiency (DS) | Re: Juan bought some paperback books that cost...
Great discussion just to point out when combined it can't be 7 books because the cost will be 263 so that's above the the required condition.
View ArticleGMAT Data Sufficiency (DS) | Re: Set A, B, C have some elements in common. If...
Just curious about the interpretation of question when it saysIf 16 elements are in both A and Bif we draw a venn diagram it means the intersection of all 3 sections and a,b ( hope I made sense)PS: it...
View ArticleGMAT Problem Solving (PS) | Re: What is the Probability of Red Ball?
The initial probability of drawing red ball is 2/8. Without knowing the other results, the probability of drawing red ball will not change for ANY successive drawing: second, third, fourth... Similar...
View ArticleGMAT Data Sufficiency (DS) | Re: If -2x > 3y, is x negative? (1) y > 0 (2) 2x...
fozzzy wrote:In statement 2 we can write the equation 2x+3y+2y = 20 we know 2x+3y is positive and we get y = 10 hence same as statement 1 is this approach correct?If -2x > 3y, is x negative?(1) y...
View ArticleIntegrated Reasoning (IR) | Re: For each of the following statements, select...
aniketmunshi wrote:experts!...pls throw some light on..."positive co relation"ThnksA I'm no expert, but I do pretty well on IR. My understanding of positive correlation is: can you infer from the data...
View ArticleGMAT Data Sufficiency (DS) | Re: In the table above is z=20q?
How common are such questions on the GMAT and what's the difficulty level if this question shows up as Problem solving rather than DS?Bunuel's approach is easier to digest
View ArticleGMAT Data Sufficiency (DS) | If -2x > 3y, is x negative? (1) y > 0 (2) 2x +...
This topic have been merged with: http://gmatclub.com/forum/topic-94665.html
View ArticleGMAT Problem Solving (PS) | Re: Remainder
hirendhanak wrote:Bunuel wrote:mainhoon wrote:When the number 777 is divided by the integer N, the remainder is 77. How many integer possibilities are there for N? I think it should me mentioned thatn...
View ArticleGMAT Problem Solving (PS) | In an office, where working in at least one...
Can someone please solve this question? I have the answer too but didn't really understand how have they solved it Question : In an office, where working in at least one department is mandatory, 78%...
View ArticleGMAT Data Sufficiency (DS) | Re: Inequality and absolute value questions from...
13. Is |x-1| < 1?Is 0 < x <2(1) (x-1)^2 <= 1 |x-1| ≤ 1x-1 ≤ 1 ===> x≤2OR-x+1 ≤ 1x ≥00≤x≤2 The stem asks if |x-1| is less than one. #1 says it could be less than OR equal to 1....
View ArticleGMAT Problem Solving (PS) | Re: A shoe Cobbler charges n dollars
jjack0310 wrote:Bunuel wrote:jjack0310 wrote:Wouldn't the answer actually be D - 4?The question is asking for how many pair of loafers does he intend to repair tomorrow? This is (x + 1) (because he...
View ArticleGMAT Problem Solving (PS) | Re: In Greensboro County, 75 people own a...
prbhtsngr wrote:Bunuel wrote:AbeinOhio wrote:something is wrong with this question.. can someone else take a look and confirm?been spinning my wheels on this for like 45 mins.. I keep getting results...
View ArticleGMAT Data Sufficiency (DS) | Re: If -2x > 3y, is x negative? (1) y > 0 (2) 2x...
fozzzy wrote:If -2x > 3y, is x negative?(1) y > 0(2) 2x + 5y - 20 = 0[Reveal] Spoiler: In statement 2 we can write the equation 2x+3y+2y = 20 we know 2x+3y is negative and we get y = 10 hence...
View ArticleGMAT Club Tests | Re: M21#29
Answer B.I made a silly mistake, but this is how I worked the problem.Number divisible by 7 inclusive 70 = 10, but under 18 there are two multiples - hence 8Number divisible by 9 inclusive 70 = 7, but...
View ArticleGMAT Data Sufficiency (DS) | Re: Is |x y| < |x| + |y|?
Is |x – y| < |x| + |y|?(1) y < xIf y < x then |x - y| will always be positive. However, we don't know the signs for x and y so we don't know what |x| and |y| is.INSUFFICIENT(2) xy < 0This...
View ArticleGMAT Problem Solving (PS) | Re: John Travels from A to B which are 60 miles...
josemnz83 wrote:John travels from A to B, which are 60 miles apart, at 11 mph starting at 11 a.m. His sister leaves B for A at 1:00 p.m. at 8 mph. When do they meet?Because they are traveling in...
View ArticleGMAT Problem Solving (PS) | If xy = 1, what is the value of 2^(x +...
This topic have been merged with: http://gmatclub.com/forum/topic-107238.html
View ArticleGMAT Problem Solving (PS) | Re: A regular hexagon has a perimeter of 30...
Bunuel wrote:Each of 6 blue diagonals equal to2*(side*\frac{\sqrt{3}}{2})=5\sqrt{3} (notice that in 30°, 60°, 90° triangle, where the sides are always in the ratio1 : \sqrt{3}: 2 ,half of the blue...
View ArticleGMAT Problem Solving (PS) | Re: If a car moving at the speed of x km/hr...
SravnaTestPrep wrote:If a car moving at the speed of x km/hr travels a distance of y km, which of the following cannot be equal to the distance traveled?A. x-y kmB. x/2 kmC. (x-y)/2 kmD. y/x km E. y-x...
View ArticleGMAT Problem Solving (PS) | Re: If xy = 1, what is the value of 2^(x +...
bikram17 wrote:2^(2.5)^2/2^(1.5)^2I keep getting 4 as answer for this; the answer is 16 can someone explain what I am missingoriginal questionDSx*y=12^(x+Y)^2/2^(x-y)^2THanks Merging topics. Please...
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