Data Sufficiency (DS) | If m and b are constants and, in the xy-plane, line l...
If m and b are constants and, in the xy-plane, line l has equation y = mx + b, then what is the value of m ?(1) Line l intersects the line y = x at (1,1).(2) Line l is parallel to the line with...
View ArticleData Sufficiency (DS) | By what percent did the price of a pound of radishes...
By what percent did the price of a pound of radishes increase?(1) The price of radishes increased by 20 cents per pound.(2) Before the price increase, radishes cost 50 cents a pound.Statistics : Posted...
View ArticleData Sufficiency (DS) | Katrina is shipping a package of 40 paperback books...
Katrina is shipping a package of 40 paperback books and 14 hardcover books to her mother. What was the total cost of shipping the package?(1) The cost to ship 2 hardcover books and 1 paperback book is...
View ArticleData Sufficiency (DS) | What is the number of students taking psychology?
What is the number of students taking psychology?(1) Twice as many students take psychology as take history.(2) Thirty students take both psychology and history.Statistics : Posted by Bunuel • on 20...
View ArticleData Sufficiency (DS) | Re: Andrew took four history tests. What was his...
C Statement 1 would imply sum of all 4 scores is 360 but not sufficientStatement 2 would imply sum of first 3 scores is 255 but not sufficientCombining both the 4th test would be 360-255 so...
View ArticleData Sufficiency (DS) | What is the area of the figure above formed by a...
What is the area of the figure above formed by a square and four semicircles?(1) The perimeter of the figure is 12π. (2) The perimeter of the square is 24.Show Spoiler Attachment: 1.jpg [ 2 KiB |...
View ArticleData Sufficiency (DS) | If a + n = b, what is the value of n?
If \(a + n = b\), what is the value of \(n\)?(1) \(b = 5\)(2) \(b + 5 = a\)Statistics : Posted by Bunuel • on 20 Nov 2022, 11:15 • Replies 0 • Views 49
View ArticleData Sufficiency (DS) | A certain toy store sold 20 toys yesterday, each of...
A certain toy store sold 20 toys yesterday, each of which was either a $40 toy or a $20 toy. How many $20 toys did the toy store sell?1) The average price of the toys sold yesterday was $35.(2) The...
View ArticleData Sufficiency (DS) | Re: For a certain set of n numbers, where n > 1, is...
Bunuel wrote:For a certain set of n numbers, where n > 1, is the average (arithmetic mean) equal to the median?(1) If the n numbers in the set are listed in increasing order, then the difference...
View ArticleData Sufficiency (DS) | If (ax + by)^2 = (bx + ay)^2, what is the value of a b ?
\( (ax+by)^2 =(bx+ay)^2\)\( a^2x^2 + b^2y^2 + 2axby = b^2x^2+a^2y^2 +2axby\) We can subtract 2axby from both the sides of theequation\( a^2(x^2-y^2) =b^2(x^2-y^2)\)\( (x^2-y^2)(a^2-b^2) =0\)...
View ArticleData Sufficiency (DS) | Re: Brady, Charlie, and Daryl play on the same...
Bunuel wrote:Brady, Charlie, and Daryl play on the same baseball team. The number of home runs hit by Brady in a particular season is what fraction of the total home runs hit by the three players in...
View ArticleData Sufficiency (DS) | Re: The tens digit of positive integer x is 3. Is the...
GabrielaFGalera wrote:HI, thank you for the explanation. One quick question, but what if the unit is 0? Then you wouldn't be able to find it out. Thank youThe units digit of x cannot be 0 because this...
View ArticleData Sufficiency (DS) | An organization offers only three types of annual...
An organization offers only three types of annual memberships. Basic memberships cost $50 each, standard memberships cost $70 each, and premium memberships cost $100 each. Last year, a total of 200...
View ArticleData Sufficiency (DS) | Re: A terminating decimal is defined as a decimal...
Bunuel wrote:Stanindaw wrote:Bunuel wrote:Theory: Reduced fraction\(\frac{a}{b}\) (meaning that fraction is already reduced to its lowest term) can be expressed as terminating decimal if andonly \(b\)...
View ArticleData Sufficiency (DS) | Re: In the figure above, what is the value of x + y ?
Walkabout wrote: In the figure above, what is the value of x + y ?(1) x = 70(2) ABC and ADC are both isoscelestrianglesShow Spoiler Attachment: Triangles.png Helloavigutman ,Please vet my below...
View ArticleData Sufficiency (DS) | Re: Data Sufficiency Butler: 2 Questions Every Day
Data Sufficiency Butler: November 2022November 21DS 1DS 2Statistics : Posted by Bunuel • on 06 Nov 2018, 07:05 • Replies 18 • Views 72172
View ArticleData Sufficiency (DS) | Re: How many books will fit into a drawer? (1) Each...
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: If n and k are a positive integer, what is the...
Given for any value of positive integer n 3^(4n+2) will have 9 as last digit occurences of 3 {3,9,7,1}we need to find value of k onlyStatement 1 k=1 sufficient statement 2 gives no clue about...
View ArticleData Sufficiency (DS) | Re: In the figure above, what is the length of RT?
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: If l and k are lines in the xy-plane, is the...
BrentGMATPrepNow wrote:blog wrote: If L and K are lines in xy- plane, is the product of the slope of L and K equal to -1?(1) Line L passes through the origin and the point (1,2).(2) Line K has...
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