GMAT Data Sufficiency (DS) | It takes Joe and Ted four hours to paint a room...
Bunuel wrote:It takes Joe and Ted four hours to paint a room when they work together. How long does it take Joe working by himself to paint the same room?(1) The dimensions of the room are 12' by 12'...
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GMAT Problem Solving (PS) | What is the larger of the 2 solutions of the...
Solving Quadratic equation\(x^2 − 4x = 96\)\(x^2 - 4x - 96 = 0\)\(x^2 - 12x - 8x - 96 = 0\) x (x - 12) + 8 (x - 12) = 0(x + 8) (x - 12)x = 12, -8x=12 is larger value Therefore Answer is B......Please,...
View ArticleGMAT Problem Solving (PS) | Re: How many digits are there in the product...
2^23*5^23*5*7^3or,10^23*5*34310^23*1715=27 digits
View ArticleGMAT Problem Solving (PS) | Re: A train traveling at 100 kmph overtakes a...
Relative speed of the train with respect to the motorbike in order to overtake it is = 100 - 64 = 36 kmph = 36*\(\frac{5}{18}\) m/s = 10 m/sDistance covered will be equal to length of train as length...
View ArticleGMAT Problem Solving (PS) | Re: 4 dices are thrown at the same time. What is...
chetan2u wrote:my take on this is.... choosing first no will have possibility of 1.... choosing the same on any of other three dice is 1/6 . third dice can have any of remaining 5 so probab is 5/6......
View ArticleGMAT Problem Solving (PS) | Three people each contributed x dollars toward...
Three people each contributed x dollars toward the purchase of a car. They then bought the car for y dollars, an amount less than the total number of dollars contributed. If the excess amount is to be...
View ArticleGMAT Data Sufficiency (DS) | Re: What is the sum of 7 consecutive integers?
Bunuel wrote:What is the sum of 7 consecutive integers?(1) The median of the seven integers is 8.(2) One of the integers is 7.SUM of consecutive integers = the # of integers * Middle number = 7* middle...
View ArticleGMAT Problem Solving (PS) | Re: The toll T, in dollars, for a truck using a...
Total number of wheels on the truck = 18Number of wheels on front axle = 2Remaining number of wheels is 16but each of the other axles have 4 wheels on each of themso remaining number of axles =...
View ArticleGMAT Data Sufficiency (DS) | Re: if {(x - y)}^{2} = {x}^{2} - {y}^{
Engr2012,Could you be so kind to explain me exactly how you did the algebra? I don't understand the steps...Thank you!
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GMAT Data Sufficiency (DS) | Re: Is x < - 20 ?
Nice one!.. Didn't notice the difference of squares! Good job! thank you
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GMAT Problem Solving (PS) | Re: In the Biotechnology class of 2000, there...
Graduates got job = 32Graduates continued to second degree = 45Graduates got job and continued to second degree = 13Graduates didn't get job and didn't continue to second degree = 9 Job No Job...
View ArticleGMAT Problem Solving (PS) | Of the land owned by a farmer, 90 percent was...
Bunuel wrote:Of the land owned by a farmer, 90 percent was cleared for planting. Of the cleared land, 40 percent was planted with soybeans and 50 percent of the cleared land was planted with wheat. If...
View ArticleGMAT Data Sufficiency (DS) | Re: M is a positive integer, is M odd?
Statement 1: 2M^3 + 2M mod 8 = 0 -----> 2M(M^2+1) mod 8 =0 -----> M(M^2+1) mod 4 = 0 We know that square of even is even and square of odd is odd. So, if M is even, (M^2+1) will be odd and if M...
View ArticleGMAT Problem Solving (PS) | Re: At the faculty of Aerospace Engineering, 312...
Students studying Random-processing methods = 312Students studying Scramjet rocket engines = 232Students studying them both = 112Therefore ; Students studying Only Random processing methods = 312 -...
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GMAT Data Sufficiency (DS) | Re: If 10% of the employees of the state fare...
Here everything is given in % and we are asked to tell a number. It is not possible to answer in a number when everything is provided in %, except if the number or percentage is 0. Here, the percentage...
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GMAT Data Sufficiency (DS) | Re: Is rectangle ABCD a square?
14101992 wrote:Bunuel Are you sure it is given that ABCD is a rectangle. Question says rectangle ABCD that means it is given that ABCD is a rectangle. Now if ABCD is given as a rectangle then...
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GMAT Data Sufficiency (DS) | Re: Is 1/(5 - X) > X/5?
To solve this question fast, we can do trial and error. If we take x=7, the given inequality doesn't hold. So, Statement 1 and 2 both are not true. If we take x=0, the given inequality holds. So,...
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GMAT Data Sufficiency (DS) | Re: If X is a positive integer, is X even?
Statement 1: 9X^2 mod 4 = 0. We know square of even is even and square of odd is odd. So, X has to be even if 9X^2 mod 4 = 0. So, Statement 1 is sufficient.Statement 2: 3X+2 mod 8 = 0. Hence, X has to...
View ArticleGMAT Problem Solving (PS) | Re: Stephanie has 9/4 cups of milk on hand and...
AbdurRakib wrote:Stephanie has 9/4 cups of milk on hand and makes 2 batches of cookies, using 2/3 cup of milk for each batch of cookies. Which of the following describes the amount of milk remaining...
View ArticleGMAT Data Sufficiency (DS) | Re: X equals to Y% of what number?
Dboth have same equations when reduced. so gives value of 300
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