Data Sufficiency (DS) | Re: Madge paid A dollars for R bananas. Dean paid B...
The question asks whether A/R>B/S?Statement 1 alone is insufficient because nothing about R and S is given.Statement 2 alone is also insufficient because there is no information about A and B.The...
View ArticleProblem Solving (PS) | An imperial scepter is mounted with diamonds, rubies,...
The four distinct single digit prime possible are 2,3,5,7Hence, the scepter is mounted with diamonds, rubies, emeralds, and sapphires in the ratio 2:3:5:7So we could have 2x+3x+5x+7x or 17x gems.If...
View ArticleProblem Solving (PS) | Re: For any positive integer n, the sum of the first n...
i2014 wrote:For any positive integer n, the sum of the first n positive integers equals n(n+1)/2 . If m and n are positive integers and m > n, what is the sum of all the integers between m and n,...
View ArticleProblem Solving (PS) | Re: A tiara is studded with a mixture of gems. The...
Let the sapphires be S and emeralds be E, S:E = 3:1If 6 emeralds are added, the number of sapphires = number of emeralds.3x = x+6 => x =3Therefore, initially the tiara contains 9 sapphires and 3...
View ArticleProblem Solving (PS) | Re: How many randomly assembled people are needed to...
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View ArticleProblem Solving (PS) | (4^8 - 3^8)/(4^4 + 3^4)=
Bunuel wrote:\(\frac{{4^8 - 3^8}}{{4^4 + 3^4}}=\)A. 7B. 25C. 156D. 175E. 216 Can be solved using the formula :\(a^2 -b^2 = (a+b)(a-b)\)\(\frac{{4^8 - 3^8}}{{4^4 + 3^4}}\)\(\frac{(4^4 -...
View ArticleData Sufficiency (DS) | Re: Is xy > 0?
From statements 1 and 2; x=5 or x=2 and y=-1 or y=-4; xy has to be negative
View ArticleProblem Solving (PS) | Re: (20^2 - 18^2) - (19^2 - 17^2)?
Bunuel wrote:\((20^2 - 18^2) - (19^2 - 17^2)\)?A. 4B. 36C. 38D. 76E. 224\((20^2 - 18^2) - (19^2 - 17^2)\)\((20 - 18)(20+18) - (19 - 17)(19+17)\)\((2)(38) - (2)(36)\)\(2(38 - 36)\)\(2(2) = 4\) Answer...
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Problem Solving (PS) | Re: The figure above shows that 4 straight lines can...
Bunuel wrote:The figure above shows that 4 straight lines can have 6 points of intersection. The greatest number of points of intersection of 5 straight lines is(A) 9 (B) 10 (C) 12(D) 15 (E)...
View ArticleGMAT Club Tests | Re: M20-24
anirudhasopa wrote: Statements (1) and (2) combined are sufficient. Because\(AC^2 = CD^2 + AD^2\) and\(AC = 2CD\) ,\(4CD^2 = CD^2 + AD^2\) which simplifies to\(3CD^2 = AD^2\). [color=#fff200]It...
View ArticleProblem Solving (PS) | ln the coordinate plane, line k passes through the origin
hiBunuel VeritasPrepKarishma Is this approach correct:A slope of a line is given by y = mx+ cSince the line passes through origin (given) if we substitute (0,0) in above equation, we get c=0Now we...
View ArticleProblem Solving (PS) | Re: (2^5)^4+(2^3)^2=
Bunuel wrote:\((2^5)^4+(2^3)^2=\)A. \(2^{15}\)B. \(2^{20}\)C. \(2^{26}\)D. \(2^6*(2^{14}+1)\)E. \(2^{120}*(2^2+1)\)\((2^5)^4+(2^3)^2\)\(2^{20}+2^6\)\(2^6(2^{14}+1)\) Answer (D)... ...
View ArticleProblem Solving (PS) | If 3^(-x)+3^(-x)+3^(-x)=1, what is the value of x?
Bunuel wrote:If \(3^{-x}+3^{-x}+3^{-x}=1\), what is the value of x?A. -1B. -1/2C. 1/3D. 1/2E. 13\(^{-x}\) =\(\frac{1}{3^{x}}\)\(\frac{1}{3^{x}}\) +\(\frac{1}{3^{x}}\) +\(\frac{1}{3^{x}}\) =...
View ArticleProblem Solving (PS) | Re: If the positive integer b is 5% greater than the...
I am confused. From where did u get 1. Plz help. Thanks
View ArticleProblem Solving (PS) | Re: Baker's Dozen
Regarding Question # 5:5. There are 7 red and 5 blue marbles in a jar. In how many ways 8 marbles can be selected from the jar so that at least one red marble and at least one blue marble to remain in...
View ArticleProblem Solving (PS) | Re: In Town X, 64 percent of the population are...
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 ArticleFree Questions | Re: S94-05
@e-gmat , kindly explain if we should go with the intended meaning mentioned in the Original sentence !!!
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Free Questions | Re: S94-04
"Clothing(s)" is not part of the underlined portion of the statement.
View ArticleProblem Solving (PS) | Re: Which of the following must be non-negative?
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View ArticleProblem Solving (PS) | Re: In 2004, 2,400 condos sold, 15% of the total...
15% of total = 2400,25% of total = (?) i.e.= 2400 x 25 / 15 = 4000 (b)
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