Problem Solving (PS) | Re: In a party there were 80 males and 45 females. One...
Assuming 30 women are married to 30 men: imagine you pick the woman first, then the man. When you pick the woman, you must pick one of the married women to have any hope of getting a married couple....
View ArticleProblem Solving (PS) | Robin mixes two liquids, one blue in colour and other...
alphonsa wrote:Robin mixes two liquids, one blue in colour and other red in colour in the ratio 3:1 and sells the mixture at the rate of $15 per litre, thereby making a 20% profit on his outlay. The...
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Data Sufficiency (DS) | What is the value of k?
fskilnik wrote:GMATH practice exercise (Quant Class 15)What is the value of \(k\) ?(1) \(x = 2\)(2) \(y^2 = 3\) \(? = k\,\,\,\left[ {{\rm{degrees}}} \right]\) \( \left( {1 + 2} \right)\,\,\left\{...
View ArticleProblem Solving (PS) | Re: An auction house charges a commission of 15% on...
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 ArticleData Sufficiency (DS) | Re: Math Revolution DS Expert - Ask Me Anything about...
MathRevolution wrote:[GMAT math practice question](number properties) If \(m\) and \(n\) are prime numbers, is \(m^2 + n^2\) an even number?\(1) m > 10\)\(2) n > 20\) It is given that both m and...
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Problem Solving (PS) | Re: Paul, Quinn, and Richard each have 3 coins: Gold,...
dreamerchaser wrote:Anyone can help to solve this question in an understandable way Let me try:To answer the question we need to find:Number of occurrences when Paul's result is same as Richard's...
View ArticleData Sufficiency (DS) | If X, Y and Z are non-zero numbers, is X^2−Y^3−2Z odd?
chetan2u VeritasKarishma from 1&2x & y are odd and z is evenEven x and y can also be fractions along with z...Are we accounting for them as well....For some values the result can turn out to...
View ArticleData Sufficiency (DS) | Re: Is x + y < 0? (1) |x|*|y| > 0 (2) x^2y < 0
from first .,|x|*|y| >0 it means either x<0 and y<0 or x>0 or y>0 Insufficient from second x^2*y <0 , it means y <0 So this is also insufficinet , check x =5 and y=-2 and x=5 and x...
View ArticleProblem Solving (PS) | Re: Seven family members are seated around their...
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 ArticleGMAT Club Tests | Re: M01-11
DJ1986 wrote:Bunuel, is it just luck that it worked out by ratios?The way I got it is that since the ratio is 4:1 then 4 is 300% greater than 1. If we had changed the larger cube for a ratio of 5:1 it...
View ArticleProblem Solving (PS) | Re: Sandy is designing an Internet banner...
Archit3110 wrote:FTGreco wrote: Why doesn't the order of the colors and images matter, in this case? I considered that if Sandy chooses for instance red for the left part and blue for the right part...
View ArticleProblem Solving (PS) | Re: Veritas Prep PS Forum Expert - Karishma - Ask Me...
Hi Karishma,Of 10 balls, 5 are red balls, 3 are blue balls, and 2 are yellow balls in a jar. If 2 balls are selected at random from the jar, what is the probability that one ball selected is red and...
View ArticleProblem Solving (PS) | Mike has been biking through the Rockies for 2 days...
Mike has been biking through the Rockies for 2 days and has used up If the only way for him to get more medication is to return to his starting point, how much longer can he bike before he has to turn...
View ArticleData Sufficiency (DS) | Re: Is |p|^2
For equation |p|² < |p|, testing values:1) p² ≤ 1 If p = 1/2 then 1/4 < 1/2 (negative fractions will be the same), YESIf p = 1 then 1 < 1 (-1 and any value above 1 will do the same), NOThis...
View ArticleProblem Solving (PS) | Which of the following is a solution for the above...
Let us substitute options and check.From 1) x = -5/2Put this in the question.\(|\frac{-5}{2}+1|+|2(\frac{-5}{2})+6|+|3(\frac{-5}{2})-3|\)\(|\frac{1}{2}+1+\frac{21}{2}|\)\(12\)A is the answer.
View ArticleFree Questions | Re: S96-13
Same here. I find the question vague (is it asking for the total amount given to the three or the individual share?) Based on the answer provided, it seems that it asked for total amount given to...
View ArticleData Sufficiency (DS) | Re: If x and y are integers between 10 and 99,...
Bunuel wrote:Tough and Tricky questions: Number Properties.If x and y are integers between 10 and 99, inclusive, is (x - y)/9 an integer?(1) x and y have the same two digits, but in reverse order.(2)...
View ArticleData Sufficiency (DS) | Re: What fraction of the square region in the figure...
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 ArticleData Sufficiency (DS) | Re: Integer N is between 150 and 180, N=?
150<N<180From S1:When N is divided by 20, it leaves a remainder 0f 4. Only 160 is divisible by 20 in the specified range. Then the value of N is 164.Sufficient.From S2:When N is divided by 25,...
View ArticleProblem Solving (PS) | An item, when sold at a certain price, yields r%...
An item, when sold at a certain price, yields r% profit. Had it been sold for $s more, the profit percentage would have been t%. What is its cost price?A. 100r/(t-s)B. 100s/(t-r)C. s/100(t-r)D....
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