GMAT Quantitative Section | Re: Quant Quick reference guide
vivek19 wrote:HelloI wrote GMAT a couple of years ago and my quant was good (section score 50). To improve verbal and overall score, I'm planning to rewrite the exam in about 3 weeks from now. For...
View ArticleGMAT Quantitative Section | Re: Best online resource for Permutation...
djc007 wrote:Hi Guys, Have the GMAT in a week`s time and struggling with some Permutation Combination problems. Can anyone suggest a good online page to brush up on the knowledge and practice some...
View ArticleGMAT Club Tests | Re: m05 Q17 Probability/Combination
d2touge wrote:Kate and David each have $10. Together they flip a coin 5 times. Every time the coin lands on heads, Kate gives David $1. Every time the coin lands on tails, David gives Kate $1. After...
View ArticleGMAT Club Tests | Re: m05 #22
BELOW IS REVISED VERSION OF THIS QUESTION:If x is a positive integer, is x divisible by 15? (1) x is a multiple of 10 --> if x=10 then the answer is NO but if x=30 then the answer is YES. Not...
View ArticleGMAT Club Tests | Re: M04 #10
gilda wrote:eventually, is 0 even or it is neither even nor odd?Zero is an even integer. (Zero is neither positive nor negative).An even number is an integer that is "evenly divisible" by 2, i.e.,...
View ArticleGMAT Problem Solving (PS) | Re: If x is the product of the positive integers...
If given any factorial .Then the maximum power of a prime number in that factorial can be obtained by using the following formula.If given n! then the maximum power of a prime number p in that...
View ArticleGMAT Problem Solving (PS) | Re: The table above shows the distribution of...
OPEN DISCUSSION OF THIS QUESTION IS HERE: the-table-above-shows-the-distribution-of-test-scores-for-a-130355.html
View ArticleGMAT Problem Solving (PS) | Re: For any positive integer n, the sum of the...
Stiv wrote:For any positive integer n, the sum of the first n postive integers equals [fraction]{n(n+1)}{2}[/fraction]. What is the sum of all the even integers between 99 and 301?A 10100B 20200C...
View ArticleGMAT Data Sufficiency (DS) | Re: In the xy-plane, region A consists of all...
josemnz83 wrote:In the xy-plane, region A consists of all the points (x,y) such that 1 - x < 2y. Is the point (a,b) in region A?(1) a > 2b(2) b = 1I am having a hard time conceptualizing how to...
View ArticleGMAT Problem Solving (PS) | Re: In the ||gm, it is given AB=8 and BO=6 find BC
mau5 wrote:targetgmatchotu wrote:In the ||gm, it is given AB=8 and BO=6 find BCSee attached all values are in cms:(a). 12cm(b). 2 sqrt(14) cm(c). 2 sqrt(7) cm(d). 10 cm(e). 2 sqrt(11) cmSource: Some...
View ArticleGMAT Data Sufficiency (DS) | Re: If 2/5 of the students at college C are...
how would you categorize this question?
View ArticleGMAT Problem Solving (PS) | If n is a positive integer and n^2 is divisible...
This topic have been merged with: http://gmatclub.com/forum/topic-129929.html
View ArticleGMAT Problem Solving (PS) | Re: Profit/Loss question
Tricky Question - But the key is to, as always, understand the question inside outGivenCash Discount - 20%Profit - 20%Items Sold - 16Price Sold at = List Price of 12Assume List price = $10Total Invoice...
View ArticleGMAT Problem Solving (PS) | Re: A committee that includes 6 members is about...
bagdbmba wrote:1.A committee that includes 6 members is about to be divided into 2 subcommittees with 3 members each. On what percent of the possible subcommittees that Michael is a member of is David...
View ArticleGMAT Data Sufficiency (DS) | Re: n consecutive integers are selected from the...
When n is the divisor, remainder ranges from 0 to (n-1)Hence (1).n>4 means 1 through k would be 1,2,3,4,5 or1,2,3,4,5,6... and so on and so forth.So we know from above that the highest remainder...
View ArticleGMAT Data Sufficiency (DS) | Re: If n is a positive integer greater than 16,...
n>0 (Integer)n> 16Is n prime?(1).n=odd so n can be 17,19,21 .... Here 17 is prime. However, 21 is not. And hence INSUFFICIENT.(2).n = 3A +1 19,22,25,28,31,34,37,40,43 n= 7B + 1 22,29,36,43...
View ArticleGMAT Data Sufficiency (DS) | Re: If a and b are positive integers, what is...
REM(4^(2a+1+b))/10Means we have to find last digit of the expression.So rephrasing the questionWhat is the last digit of 4^(2a+1+b)(1). a=1 Break the expression as 4^2a * 4^1 * 4^b.b is unknown hence...
View ArticleGMAT Data Sufficiency (DS) | Re: What is the value of the positive integer n?...
Easiest I must say:Remainders31 - 732 - 033 - 1REM(31/8) = 7REM(32/8) = 0REM(33/8) = 1Hence (A) it is
View ArticleGMAT Data Sufficiency (DS) | Re: If k is a positive integer, what is the...
Square of an odd integer always gives remainder of '1' when divided by 8.Statement 1 says:K = 2A + 1 (an odd number)As Statement (2).SaysK= 3A + 22,5,8,11 it has odd and even both so remainder...
View ArticleGMAT Data Sufficiency (DS) | Re: What is the value of length n
N<100What is N?(1).N =10A +5 ..... N can be 5,15,25,35 and so on INSUFFICIENT(2).N= 6B + 1 .... N can be 1,7,13,19,25 and so on INSUFFICIENTCombining (1).& (2).We get N = 30X + 25N can be...
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