Problem Solving (PS) | Re: Two six-sided dice with sides numbered 1 through 6...
Bunuel wrote:Two six-sided dice with sides numbered 1 through 6 are rolled. If the two resulting numbers are multiplied, what is the probability that their product will be even?A. 1/12B. 1/4C. 1/2D....
View ArticleProblem Solving (PS) | Re: (x-a)^2 + (y-b)^2 = r^2 is the equation of a...
MathRevolution wrote:(x-a)^2 + (y-b)^2 = r^2 is the equation of a circle with radius r and center (a,b). What is the radius of the circle with equation x^2 + y^2 – 10x + 4y = 20? A. 4 B. 5 C. 6 D. 7E....
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Problem Solving (PS) | Re: Points (x, 5) and (−6, y), not shown in the figure...
Bunuel wrote:Points (x, 5) and (−6, y), not shown in the figure above, are in Quadrants I and III, respectively. If xy ≠ 0, in which quadrant is point (x, y)?A. IVB. IIIC. IID. IE. It cannot be...
View ArticleProblem Solving (PS) | Re: All assets in Karina's investment portfolio are...
Bunuel wrote:All assets in Karina's investment portfolio are divided between an IRA, 401k, and two separate taxable accounts. No two accounts have the same amount of money and all four have at least...
View ArticleProblem Solving (PS) | Re: In a certain deck of cards, each card has a...
Hi hsn81960,Can you go into a bit more detail about WHY you 'assumed' that no card had a value greater than 13 on it? Did you do any math to clarify your logic or were you just thinking about a...
View ArticleData Sufficiency (DS) | Re: If P and Q are circular regions, what is the sum...
aeon86 wrote:(2) The sum of the squares of the radii is 100.this basically tells us that R1^2 + R2^2 = 100a quick listing gives us only 2 possible combinationsR1 = 6 and R2 = 8 or R1= 8 and R2 =...
View ArticleData Sufficiency (DS) | Re: Is positive integer k the square of an integer?
GMATPrepNow wrote:Is positive integer k the square of an integer?1) k = p!, where p is a prime number2) k + 1 = w² - 2w + 2, where w > 0IMPORTANT: This question is beyond the scope of the GMAT....
View ArticleProblem Solving (PS) | Re: As part of a game, four people each must secretly...
Bunuel wrote:tarek99 wrote:As part of a game, four people each must secretly choose an integer between 1 and 4, inclusive. What is the approximate likelihood that all four people will choose different...
View ArticleProblem Solving (PS) | If y = |x + 5|-|x - 5|, then y can take how many integer
x<-5,y=-10-------------------> 1 value-5<=x<5y=2x-10<=2x<10-------------------> 20 valuex=>5y=10-----------> 1 valueTotal= 22Please someone tell me where I am going wrong.
View ArticleProblem Solving (PS) | Re: The product of the digits of the four-digit number...
Hi All, We're told that the product of the digits of the four-digit number H is 36 and no two digits of H are identical. We're asked for the number of different possible values of H. While this...
View ArticleProblem Solving (PS) | Re: A motorcycle travels at a speed of x kilometers...
Hi All, We're told that a motorcycle travels at a speed of X KILOMETERS per P HOURS. We're asked for the number of METERS it will travel in S SECONDS, in terms of S, P and X. (xps ≠ 0; 1 kilometer =...
View ArticleProblem Solving (PS) | Re: All assets in Karina's investment portfolio are...
Hi All, We're told that all assets in Karina's investment portfolio are divided between an IRA, 401k, and two separate taxable accounts and that NO two accounts have the SAME amount of money and all...
View ArticlePS Archive | A man needs to travel a certain distance. He travels a certain...
This topic have been merged with: http://gmatclub.com/forum/topic-246036.html
View ArticleProblem Solving (PS) | Re: A man needs to travel a certain distance. He...
kiran120680 wrote:A man needs to travel a certain distance. He travels a certain distance by car and the rest by train. Car travel costs him $12 per km and traveling by train cost him $8 per km. If...
View ArticleProblem Solving (PS) | Re: Molly went to a gift shop to buy some Christmas...
kiran120680 wrote:Molly went to a gift shop to buy some Christmas cards. Due to insufficient money at that time, she decided to come back on the next day. The next day price per card was increased by...
View ArticleDS Archive | Re: If a, x, y, and z are integers greater than zero,
Abhi077 wrote:If a, x, y, and z are integers greater than zero, are both x and y less than z?1) ax+xz+ay+yz<\(z^2\)+az 2) x < zDiscussed here: https://gmatclub.com/forum/if-a-x-y-and ... fl=similar
View ArticleQuantitative | Re: Overview of GMAT Math Question Types and Patterns on the GMAT
[GMAT math practice question] What is the greatest positive three-digit number that is divisible by 2, 3, 4, 5, 6 and 7? A. 120 B. 140 C. 210 D. 420E. 840=>The question asks for the value of the...
View ArticleProblem Solving (PS) | Re: At a certain ice cream shop, a sundae contains two...
It can be solved using fundamental counting principle. The first scoop has 20 possibilities and the second has 19 (since different). But we need to eliminate duplicates in this because of ordering....
View ArticleProblem Solving (PS) | Which of the following is a solution for the above...
\(|x+2|+|2x+6|+|3x-3|=12\)Which of the following is a solution for the above equationA) \(-\frac{5}{2}\)B) \(-\frac{7}{5}\)C) \(-\frac{7}{6}\)D) \(\frac{5}{6}\)E) \(\frac{5}{3}\)Source : Ignus
View ArticleData Sufficiency (DS) | Re: Set A consists of consecutive integers. What is...
VeritasKarishma To quote an above explanation:(2) The standard deviation of all the numbers in set A is (2)½(2)½since theterms are consecutive, we can know the number of elements in...
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