Data Sufficiency problem - exponents
Source: Question Pack 1If X is an integer greater than 1, is X equal to 12th power of an integer?1. X is equal to 3rd power of an integer.2. X is equal to 4th power for an integer.OA is [Reveal]...
View ArticleData Sufficiency problem - exponents
Source: Question Pack 1If X is an integer greater than 1, is X equal to 12th power of an integer?1. X is equal to 3rd power of an integer.2. X is equal to 4th power for an integer.
View ArticleWhat is the smallest integer that is the sum of 2 distinct
What is the smallest integer that is the sum of 2 distinct prime integers, each greater than 80 ?A. 170B. 172C. 173D. 199E. 186
View ArticleHarold needs to buy a ticket to attend a conference for work
Harold needs to buy a ticket to attend a conference for work. His own department contributes $4 less than half the price of the ticket. The HR department will contributes $1 more than a third of the...
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From a group of M employees, N will be selected, at random, to sit in a line of N chairs. There are absolutely no restrictions, either in the selection process nor in the order of seating both are...
View ArticleHow many different values of positive integer x, for which
How many different values of positive integer x, for which |x+8|<x, are there?A. 0B. 2C. 3D. 8E. 16
View ArticleIf x^(a - b) = 1, what is the value of x?
If x^(a - b) = 1, what is the value of x?(1) a b(2) x > 0
View ArticleUhmmm....no such answer?
Was wondering - what's the best strategy when you spend 1.30min on a PS question, solved it, feel like a man until you look up and discover there is no such answer?Should I re-read the exercise?...
View ArticleThe positive integers a and b leave remainders of 4 and 7
The positive integers a and b leave remainders of 4 and 7, respectively, when divided by 9. What is the remainder when a 2b is divided by 9?source: Optimus Prep
View ArticleData Sufficiency - doubts
Hi,can someone help me with this question please:Is quadrilateral ABCD a rhombus?(1) Line segments AC and BD are perpendicular bisectors of each other.(2) AB = BC = CD = ADThe answer it says is D- each...
View Article600-700 ; Inequalities word problem ; A car travels from
A car travels from city a to city B, a distance of 240kms. The car travels half the distance at x kmph and the remaining distance at x+20 kmph. If the car has to complete the journey in less than 5...
View ArticleIs a
Is a<b?1) a^3= ab2) |b| > |a| Also justify your answer using calculationsSource: 4Gmat
View ArticleIs 1/(x-y) < (y-x) ?
Is 1/(x-y) < (y-x) ?1) x is +ve 2) y is -veI took a very long time to solve this Does anyone know a shortcut? or a simpler method?Source: 4gmat
View Articleis a
is a<0?1) a^3<a^2+2a2) a^2>a^3Question discussed here : http://gmatclub.com/forum/is-a-160199.html#p1269309Expert reply:is-a-160199.html#p1269526
View ArticleThe average of a set of five distinct integers is 300.
The average of a set of five distinct integers is 300. If each number is less than 2,000, and the median of the set is the greatest possible value, what is the sum of the two smallest numbers?A....
View ArticleSuppose x is an integer such that (x^2−x−1)^(x+2)=1
Suppose x is an integer such that (x^2x1)^{(x+2)}=1. How many possible values of x exist?A. 1B. 2C. 3D. 4E. 5 Kudos for correct solution[Reveal] Spoiler: OA to be updated soon
View ArticleIf m,n≠0, is [m]m^n > n^n[/m]?
If m,n0, is m^n > n^n? (1) |m| = n(2) m < n[Reveal] Spoiler: I think it's supposed to B. Can anyone confirm?Can anyone confirm the answer as I don't know what it is
View Articlecombinatorics
Suppose that in a deck of 20 cards, each card has one of the numbers 1, 2, 3, 4, or 5 and there are four cards witheachnumber.If 10 cards are chosen from the deck at random,without replacement,what is...
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