Problem Solving (PS) | Re: From a jar containing 4 red and 2 white marbles,...
Hello from the GMAT Club BumpBot!Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think...
View ArticleProblem Solving (PS) | Re: Working alone, B needs 50% more time to complete a...
I tried to solve it through different ways.B takes 50% more time means ratio of efficiency of A to B is 3:2.Now 50/3x+2+10/2x =15Solving it, we get x= 10/6Efficiency of B =20/6Time taken by B to...
View ArticleProblem Solving (PS) | Re: A committee of three people is to be chosen from...
total pairs;; 8*6*4/3*2 ; 32IMO E alphabeta1234 wrote:A committee of three people is to be chosen from four teams of two. What is the number of different committees that can be chosen if no two people...
View ArticleProblem Solving (PS) | At Bertie's Bargain Basement everything is sold for...
asfandabid wrote:At Bertie's Bargain Basement everything is sold for 20% less than the price marked. If Bernie buys radios for $80, what price should he mark them if he wants to make a 20% profit on...
View ArticleProblem Solving (PS) | Re: If 4 people are selected from a group of 6 married...
bibha wrote:If 4 people are selected from a group of 6 married couples, what is the probability that none of them would be married to each other?A. 1/33B. 2/33C. 1/3D. 16/33E. 11/12total probability ;...
View ArticleData Sufficiency (DS) | Re: On a trolley ride around an amusement park, a...
Hello from the GMAT Club BumpBot!Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think...
View ArticleProblem Solving (PS) | Re: Is |x – 4| < 4? (1) x < -4 (2) x < 4
Is |x – 4| < 4or -4 <x-4 <4this means either x>0 or x<8 or lies between 0 and 8 , 0<x<81) x<-4 hence is never true . Sufficient2) x<4 can be aor cant not be trueThus...
View ArticleProblem Solving (PS) | Re: A fruit merchant bought a certain quantity of A...
if you convert to price per apple it becomes an easier problem than trying to solve for groups of apples.
View ArticleProblem Solving (PS) | Re: A fruit merchant bought a certain quantity of A...
Edited to stipulate that the merchant bought nonzero quantities of each grade of apples.
View ArticleProblem Solving (PS) | Re: If n = p^2 and p is a prime number greater than 5,...
gmatt1476 wrote:If n = p^2 and p is a prime number greater than 5, what is the units digit of n^2 ?A. 1B. 3C. 4D. 7E. 9PS37402.01p is a prime number greater than 5. n is a perfect square. p could be 7...
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Problem Solving (PS) | The value of (1/x)-(4/√x)+4 is least when x =
Can someone explain this in a bit more detail? The approach seems really advanced and is not something I would arrive logically. What am I missing I had a approach where I just plugged in numbers and...
View ArticleProblem Solving (PS) | Re: 1/(2 - \sqrt3) = ?
EMPOWERgmatRichC wrote:Hi chrtpmdr,If you FOIL... (2−√3)(2+√3).... then you will end up with 4 - 3 = 1In the context of the question that is asked, if you multiply both the numerator and denominator...
View ArticleData Sufficiency (DS) | On account of Diwali, Maha Electronics(ME) is...
On account of Diwali, Maha Electronics(ME) is offering a bumper sale on all latest electronic items, which will be offered for less than the maximum retail price set by the manufacturer. Did Pihu get...
View ArticleProblem Solving (PS) | Re: One cup of nuts that contains exactly half peanuts...
Bunuel wrote:One cup of nuts that contains exactly half peanuts and half cashews is added to a bowl of nuts that is exactly one third peanuts, one third cashews, and one third almonds. This results in...
View ArticleProblem Solving (PS) | Re: In the recent electoral polls, 15% of the voter...
As often ... I came up with the right solution but wonder myself if I've done it properly or just arrived at it by accident.Isn't the solution pretty obvious? I dared to press the button because I...
View ArticleProblem Solving (PS) | Re: If k and m are numbers such that k + m = 20 and...
mvictor wrote:Bunuel wrote:lgarces19 wrote:If k and m are numbers such that k + m = 20 and k^2 + m^2 = 289, then the value of the product km is(A) between 20 and 60(B) between 60 and 100(C) between...
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Data Sufficiency (DS) | If yz ≠ 0, is (x–y+z)/2z < (x/2z)–(y/2z)–(x/y)?
sajon wrote:mohdabbas5 wrote:If yz ≠ 0, is \(\frac{x–y+z}{2z} < \frac{x}{2z}–\frac{y}{2z}–\frac{x}{y}\)?(1) \(\frac{x}{y} < -\frac{1}{2}\)(2) xy < 0 But why option (2) is incorrect??? please...
View ArticleData Sufficiency (DS) | Re: A triangle is inscribed in a circle. A point is...
thank you all for the explanation.Statement 2- The isosceles triangle can be at any point in the circle, and not necessarily cut through the diameter of the circle. In this case, this question is not...
View ArticleData Sufficiency (DS) | Re: Math Revolution DS Expert - Ask Me Anything about...
[GMAT math practice question](number properties) If \(a, b\), and \(c\) are positive integers, what is the value of \(a+b+c\)?1) \(a, b\) and \(c\) are three consecutive odd numbers in that order2)...
View ArticleData Sufficiency (DS) | Re: Sprinklers are being installed to water a lawn....
St 1 and St 2 together is not sufficient to answer this query.We need dimensions of the garden rather than area as a whole.If dimensions are 1*32, ans is no, whereas If dimensions are 6*5.333, ans is...
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