Data Sufficiency (DS) | Re: x is how many times y if y ≠ 0? (1) x/y + y/x -...
SajjadAhmad wrote:\(x\) is how many times of\(y\) if\( y ≠0\) ?(1)\(\frac{x}{y} +\frac{ y}{x -2y} =0\) (2)\( x =\frac{ 2y}{x +y}\) Source: NovaGMAT Asked:\(x\) is how many times of\(y\) if\( y ≠0\)...
View ArticleData Sufficiency (DS) | Re: If Jack buys 5 pieces of three different items...
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...
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Problem Solving (PS) | Re: On the map above, 2 inches represents 3 miles. If...
Bunuel wrote: On the map above, 2 inches represents 3 miles. If the roads from O to P, from O to Q, and from P to Q are relatively flat and straight, approximately how many miles is it from P to Q ?A....
View ArticleData Sufficiency (DS) | Re: In how many years, the amount x will grow to be 9...
lets say, interest per year = r9X = X . (1+r)^y ... (eq-1)find y = ?From ST(1), 3X = X . (1+r)^123 = (1+r)^129 = 3^2 = (1+r)^24Hence, y = 24ST(1) is sufficient.From ST(1), 4X = X . (1+r)^18(1+r)^18 =...
View ArticleProblem Solving (PS) | Re: A certain organization presents reward to some...
aeros232 wrote:A certain organization presents reward to some people. There are 3 kinds of reward that respectively are $125, $40, $15. If the total reward is $1,735, what is the least possible value...
View ArticleProblem Solving (PS) | Re: Nails and screws are manufactured at a uniform...
paisaj87 wrote:Nails and screws are manufactured at a uniform weight per nail and a uniform weight per screw. If the total weight of one screw and one nail is half that of 6 screws and one nail, then...
View ArticleProblem Solving (PS) | Re: When Jessica withdrew $200 from her bank account,...
KOS75 wrote:When Jessica withdrew $200 from her bank account, her account balance decreased by 2/5. If she deposits an amount equal to 1/4 of the remaining balance, what will be the final balance in...
View ArticleProblem Solving (PS) | Re: What is the sum of all numbers less than 200 that...
Bunuel wrote:What is the sum of all numbers less than 200 that are either prime or have more than 3 factors?A. 19,900B. 19,535C. 19,533D. 19,523E.19,522 Recall that the number 1 has only 1 factor and...
View ArticleProblem Solving (PS) | Re: In how many ways can you seat 7 people on a bench...
arindamsur wrote:In how many ways can you seat 7 people on a bench if one of them, Rohit, does not want to sit on the middle seat or at either end?A) 720B) 1720C) 2880D) 5040E) 100807 seats for 7...
View ArticleProblem Solving (PS) | Re: 3.003/2.002=
Another way to look at this problem is solving conceptually. That is, both denumerator and numerator are increased by the same proportion ( by 1/1000), hence the result of 3/2 won't change.
View ArticleProblem Solving (PS) | In Country X, 1/2 of the population can speak English,...
Bunuel wrote:In Country X, 1/2 of the population can speak English, 1/3 can speak French, and 1/5 can speak both English and French. What fraction of the population of Country X can speak neither...
View ArticleProblem Solving (PS) | Re: If 2 < x < 5 and 3 < y < 5, which of the following...
SajjadAhmad wrote:If\( 2 < x <5\) and\( 3 < y <5\) , which of the following best describes\( x –y?\) (A)\( –3 < x – y <2\) (B)\( –3 < x – y <5\) (C)\( 0 < x – y <2\)...
View ArticleProblem Solving (PS) | For how many integers n is n^4 + 6n < 6n^3 + n^2 ?
Bunuel wrote:For how many integers n is\( n^4 + 6n < 6n^3 +n^2\) ?A. 2B. 3C. 4D. 5E.6 Are You Up For the Challenge: 700 LevelQuestions Asked: For how many integers n is\( n^4 + 6n < 6n^3 +n^2\)...
View ArticleProblem Solving (PS) | Re: Bill has a collection of new and used trading...
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: A total of X bikes and cars were sold by a dealer....
Number of Bikes is 4 time Number of Cars4B = Cso when we assume that X is 100 then No. of Bikes = 80 No. of Cars = 20 No of 200cc Bikes is 80/3 so put the value of X i.e 100 in the options and look for...
View ArticleData Sufficiency (DS) | Re: An arithmetic sequence is a sequence in which...
Ans: BStatement 1: The sum of the largest term of the sequence N and the smallest term of the sequence P is zero.N={-9,-7,-5,-3,-1}P={1,2,3,4,5}C={-9,-7,-5,-3,-1,1,2,3,4,5}, so C is not an arithmatic...
View ArticleProblem Solving (PS) | What is the value of the expression below: 1*2*3 +...
Bunuel wrote:What is the value of the expression below:1*2*3 + 2*3*4 + 3*4*5 + 4*5*6 + 5*6*7 + 6*7*8 + 7*8*9 + 8*9*10 + 9*10*11 + 10*11*12 ?A. 2,680B. 3,680C. 4,290D. 5,720E.6,170 Are You Up For the...
View ArticleProblem Solving (PS) | Re: Under a certain company’s medical insurance plan,...
[quote="IanStewart"][quote="Bunuel"] Under a certain company’s medical insurance plan, the amount an employee must pay for medical expenses consists of payment for the first $450 of expenses plus 20...
View ArticleProblem Solving (PS) | What is the sum of (2^3 - 1)/1 + (3^3 - 1)/2 + (4^3 -...
Bunuel wrote:What is the sum of\(\frac{ 2^3 -1}{1} +\frac{ 3^3 -1}{2} +\frac{ 4^3 -1}{3} +\frac{ 5^3 -1}{4} +\frac{ 6^3 -1}{5} + ... +\frac{ 20^3 -1}{19}\) ?A. 3,100B. 3,099C. 3,097D. 3,044E.3,025...
View ArticleData Sufficiency (DS) | Re: What is the value of X in the above list of 7...
I think the only trap here was the range which could be seen two ways and not only one
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