GMAT Problem Solving (PS) | Re: At the start of an experiment, a certain...
Bunuel wrote:At the start of an experiment, a certain population consisted of 3 animals. At the end of each month after the start of the experiment, the population size was double its size at the...
View ArticleGMAT Problem Solving (PS) | Re: Integer m has 4 different prime factors and n...
Bunuel wrote:Integer m has 4 different prime factors and n has 3 different prime factors. If m and n has the greatest common factor of 15, how many different prime factors does mn have?(A) 4(B) 5(C)...
View ArticleGMAT Problem Solving (PS) | Re: A survey of 1.2 million homes reported that...
Bunuel wrote:A survey of 1.2 million homes reported that 650,000 had fewer than 2 children. In homes with 2 or more children, 280,000 of them did not have a separate bedroom for each child. If 400,000...
View ArticleGMAT Problem Solving (PS) | Re: S_n=-1/S_{n-1}+1 for all integer values of n...
Bunuel wrote:\(S_n=\frac{-1}{S_{n-1}+1}\) for all integer values of n greater than 1. If S1 = 1, what is the sum of the first 61 terms in the sequence?(A) –48 (B) –31 (C) –29 (D) 1 (E) 30 Let’s...
View ArticleGMAT Problem Solving (PS) | Re: There are 2 bars of gold-silver alloy; one...
trahul4 wrote:There are 2 bars of gold-silver alloy; one piece has 2 parts of gold to 3 parts of silver and another has 3 parts of gold to 7 parts of silver. If both bars are melted into 8 kg bar with...
View ArticleGMAT Problem Solving (PS) | Re: A regular pentagon is inscribed in a circle....
bmwhype2 wrote:A regular pentagon is inscribed in a circle. If A and B are adjacent vertices of the pentagon and O is the center of the circle, what is the value of ∠OAB ?A. 48 degrees B. 54 degrees C....
View ArticleGMAT Problem Solving (PS) | Of the 400 people in an auditorium, 1/4 are...
Of the 400 people in an auditorium, 1/4 are wearing hats. Of those, 1/5 are wearing fedoras. How many people in the auditorium are not wearing fedoras?A. 20B. 80C. 180D. 220E. 380
View ArticleGMAT Problem Solving (PS) | Re: In the figure to the right, what is the value...
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 Data Sufficiency (DS) | Re: What is the total number of coins that Bert...
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View ArticleGMAT Data Sufficiency (DS) | Re: |x|=|2y|, what is the value of x-2y?
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View ArticleGMAT Problem Solving (PS) | A process manager in a plant wishes to decrease...
A process manager in a plant wishes to decrease the hours logged by his workforce by 20%, while still retaining the exact same production. If all of the workers in the workforce produce at the same...
View ArticleGMAT Problem Solving (PS) | Re: The dimensions of a field are 20 m by 9 m. A...
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View ArticleGMAT Quantitative Section | Re: Quadratic equations in DS problems
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View ArticleGMAT Quantitative Section | Re: Factoring quadratic equation
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View ArticleGMAT Quantitative Section | Re: Problem factoring difficult quadratic equation
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View ArticleGMAT Quantitative Section | Re: Hard Factoring question
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View ArticleGMAT Problem Solving (PS) | Re: An equilateral triangle of side 12 is...
C - 48PThe height of the triangle equals 63√63 since the sides are 6 and 12 (1:2: \sqrt{3} ratio). So the area of the triangle is (63√∗12)/2=363√(63∗12)/2=363Since the triangle is equilateral, we can...
View ArticleGMAT Data Sufficiency (DS) | Re: Pete works at three part-time jobs to make...
Statement (1) Pete earned $500 for 20 hours at the first job, $150 for 10 hours at the second job, and $100 for 5 hours at the third job.Job 1: $500 for 20 hoursJob 2: $150 for 10 hoursJob 3: $100 for...
View ArticleGMAT Data Sufficiency (DS) | Re: If x and y are positive integers, what is...
nice question. is there any other simple way to solve this problem?Thank you...
View ArticleGMAT Data Sufficiency (DS) | Re: What is the value of y?
Both Statement 1 & 2 with both give you 2 values for a total of four unique values for y. Therefore, there is no unique answer for y. Answer E.
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