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slope formula
by Azizakaria »
Hello, i study from MGMAT and Veritas and there's a difference in the...
1
Last post by DavidG@VeritasPrep
Thu Jan 28, 2016 11:41 am
If the sum of the first k positive integers is equal to, k(k
by Max@Math Revolution »
If the sum of the first k positive integers is equal to, k(k+1)/2,...
2
Last post by Max@Math Revolution
Wed Jan 27, 2016 5:38 pm
(1/33)+(1/34)+……+(1/63)+(1/64) is including in which of
by Max@Math Revolution »
(1/33)+(1/34)+......+(1/63)+(1/64) is including in which of...
3
Last post by Max@Math Revolution
Wed Jan 27, 2016 5:37 pm
What is the units digit of (3^11)(4^13)?
by Max@Math Revolution »
What is the units digit of (3^11)(4^13)? A. 2 B. 4 C. 6 D. 7 E. 8 * A...
1
Last post by Max@Math Revolution
Wed Jan 27, 2016 5:28 pm
If x>0, y<0 and z<0, (|x|+|y|+|z|)^2=?
by Max@Math Revolution »
If x>0, y<0 and z<0, (|x|+|y|+|z|)^2=? A....
1
Last post by Max@Math Revolution
Wed Jan 27, 2016 5:27 pm
Investing
by RobertP »
Hello everyone. I solved this by pluging values. Any other methods to...
1
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Last post by [email protected]
Tue Jan 26, 2016 7:49 pm
Enclosed by a fence (GMAT Prep)
by alex.gellatly »
The figure shown (see attachment) represents a piece of land that is...
4
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Last post by didieravoaka
Tue Jan 26, 2016 9:48 am
pigs and cows in a farm
by Amrabdelnaby »
Of the 60 animals in the farm, 2/3 of the animals are either cows or...
6
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Last post by jain2016
Mon Jan 25, 2016 10:12 pm
Problem solving
by Noman »
The cost of two articles is in the ratio 3:2. on scale of the first,...
1
Last post by MartyMurray
Sun Jan 24, 2016 7:52 pm
Geometery - Triangles
by RobertP »
In the figure bellow the triangles ABC and MNP are isosceles. AB ||...
4
Last post by MartyMurray
Sun Jan 24, 2016 3:38 pm
Inequalities
by RobertP »
Anyone know how to solve this one? Which inequality represents the...
1
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Last post by Brent@GMATPrepNow
Sun Jan 24, 2016 2:35 pm
Productivity ratio
by manihar.sidharth »
Can anybody help me get the answer to this question. I guess I need...
6
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Last post by GMATGuruNY
Sun Jan 24, 2016 4:40 am
Problem solving
by Noman »
need explanation in a factory one worker can produce one piece of m...
1
Last post by MartyMurray
Sun Jan 24, 2016 4:32 am
Problem solving
by Noman »
plz explain By selling an article at 80% of its marked price, a...
1
Last post by MartyMurray
Sun Jan 24, 2016 4:23 am
On the x-y coordinate plane there is a parabola, y=x(6-x). W
by Max@Math Revolution »
On the x-y coordinate plane there is a parabola, y=x(6-x). Which of...
2
Last post by Max@Math Revolution
Sat Jan 23, 2016 10:26 pm
Problem solving
by Noman »
plz explain the wages earned by Arif is 30% more than that earned by...
1
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Last post by [email protected]
Sat Jan 23, 2016 10:31 am
Problem solving
by Noman »
plz explain if y=4^10+4^11+4^12+4^13, then y is the divisible by...
1
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Last post by [email protected]
Sat Jan 23, 2016 10:19 am
Problem solving
by Noman »
plz explain if x is an integer & (0.5)(.005)(.05)(.005)10^x is an...
1
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Last post by [email protected]
Sat Jan 23, 2016 10:02 am
Problem solving
by Noman »
plz explain if Arif walks at 14km/hr instead of 10km/hr for a certain...
1
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Last post by [email protected]
Sat Jan 23, 2016 9:56 am
(x^6 * y^6 - x^6 * y^2) / (x^2 + y^2) = ?
by lee3381 »
(x^6 * y^6 - x^6 * y^2) / (x^2 + y^2) = ? The answer is (xy)^2 * (y^2...
3
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Last post by [email protected]
Fri Jan 22, 2016 7:25 pm
Percentages
by RobertP »
Hello, This is my first time posting so I am not entirely sure that...
2
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Last post by [email protected]
Fri Jan 22, 2016 7:19 pm
Trick question with wording?
by Rastis »
If a group of numbers has an average of 1 and a standard deviation of...
4
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Last post by Matt@VeritasPrep
Fri Jan 22, 2016 4:50 pm
Confusing Explanation
by NWSimon2 »
Lake A has a duck population of 30 females and 36 males. Lake...
3
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Last post by Matt@VeritasPrep
Fri Jan 22, 2016 4:34 pm
Dogs
by manik11 »
At a local beach, the ratio of little dogs to average dogs to...
4
Last post by Matt@VeritasPrep
Fri Jan 22, 2016 4:32 pm
It is well known that a triangle’s area is √(p(p-a)(p-b)
by Max@Math Revolution »
It is well known that a triangle's area is...
2
Last post by Max@Math Revolution
Thu Jan 21, 2016 8:48 pm
When x, y are selected randomly from set {0,1,2,3,4,5,6,7,8,
by Max@Math Revolution »
When x, y are selected randomly from set {0,1,2,3,4,5,6,7,8,9}, what...
3
Last post by Max@Math Revolution
Thu Jan 21, 2016 8:45 pm
games of ‘Hearts’
by sanju09 »
In the 285 games of 'Hearts' San played, he had...
1
Last post by regor60
Thu Jan 21, 2016 6:49 am
If two resistors, A(R1) and B(R2) stand in parallel with eac
by Max@Math Revolution »
If two resistors, A(R1) and B(R2) stand in parallel with each other...
1
Last post by Max@Math Revolution
Wed Jan 20, 2016 9:00 pm
If 0.01<x<0.02, 1,000<y<5,000, which of the foll
by Max@Math Revolution »
If 0.01<x<0.02, 1,000<y<5,000, which of the following can...
2
Last post by Max@Math Revolution
Wed Jan 20, 2016 8:50 pm
When k=odd, f(k)=2k and when k=even, f(k)=3k, f(210)=?
by Max@Math Revolution »
When k=odd, f(k)=2k and when k=even, f(k)=3k, f(210)=? A. 9^(2^9 ) B....
4
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Last post by Brent@GMATPrepNow
Tue Jan 19, 2016 10:22 am
Full House
by manik11 »
In the game of Yahtzee, a full house occurs when a player rolls five...
5
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Last post by GMATGuruNY
Tue Jan 19, 2016 8:29 am
When 1+2+..........+n=n(n+1)/2, what is the sum of all the p
by Max@Math Revolution »
When 1+2+..........+n=n(n+1)/2, what is the sum of all the positive...
3
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Last post by Max@Math Revolution
Mon Jan 18, 2016 8:58 pm
Graph Prob-- Need help
by selango »
SOURCE: OG 12, Prob:9 On the graph above,when x=1/2,y=2;and when x=1...
23
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Last post by thilakdesing
Sat Jan 16, 2016 11:51 pm
PS 183 (Patterns/Exponents)
by mattnyc15 »
So in this problem, I understand the first step: Find the pattern of...
2
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Last post by Brent@GMATPrepNow
Sat Jan 16, 2016 12:43 pm
Counting/Probability
by sukhman »
Arranging the letters of the word DISCUSSION what is the probability...
1
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Last post by [email protected]
Sat Jan 16, 2016 10:39 am
Jellybean Probability
by pkw209 »
A certain company sells jellybeans in the following six flavors only:...
30
Last post by romitrock
Sat Jan 16, 2016 9:25 am
There is a set A of 19 integers with mean 4 and standard dev
by vinni.k »
There is a set A of 19 integers with mean 4 and standard deviation of...
2
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Last post by Brent@GMATPrepNow
Sat Jan 16, 2016 8:21 am
FDP Problem (OG PS #174)
by mattnyc15 »
PS #174 OG 2016 A bar over a sequence of digits in a decimal...
3
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Last post by ceilidh.erickson
Fri Jan 15, 2016 10:31 am
FDP Problem (OG PS #174)
by mattnyc15 »
PS #174 OG 2016 A bar over a sequence of digits in a decimal...
1
EXPERT REPLIES
Last post by [email protected]
Fri Jan 15, 2016 10:21 am
2(x^2 - 9) / (x^2 + x - 6) + 2/(x-2) =?
by lee3381 »
2(x^2 - 9) / (x^2 + x - 6) + 2/(x-2) = ? The answer is 2. Can anyone...
2
EXPERT REPLIES
Last post by [email protected]
Thu Jan 14, 2016 12:01 pm
In recent a chip can compute 1.026*1015 operations per 1 sec
by Max@Math Revolution »
In recent a chip can compute 1.026*1015 operations per 1 second. How...
2
Last post by Max@Math Revolution
Wed Jan 13, 2016 6:28 pm
154 candies are distributed to children with the same number
by Max@Math Revolution »
154 candies are distributed to children with the same number. What...
2
Last post by Max@Math Revolution
Wed Jan 13, 2016 6:24 pm
rates, productivity and labor cost
by Amrabdelnaby »
Hi Pros, COuld you please explain to me the logic behind this...
4
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Last post by ceilidh.erickson
Wed Jan 13, 2016 1:34 pm
Tough one!
by Amrabdelnaby »
Pls help
5
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Last post by chetan.sharma
Tue Jan 12, 2016 12:52 am
R and S scale
by Amrabdelnaby »
A certain quantity is measured on 2 different scales, R scale and S...
2
Last post by chetan.sharma
Mon Jan 11, 2016 11:34 pm
Must be True
by greenwich »
f 4< , which of the following must be true? I. 5<x II....
17
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Last post by chetan.sharma
Mon Jan 11, 2016 10:29 pm
If x and y are integers and 2 < x < y, does y = 16 ?
by conquistador »
Source: Veritas If x and y are integers and 2 < x < y, does y =...
1
Last post by GMATGuruNY
Sun Jan 10, 2016 8:18 am
Take home pay
by Amrabdelnaby »
Hey Pros, Could you please help me with this? Thanks
9
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Last post by Matt@VeritasPrep
Fri Jan 08, 2016 1:36 pm
Factors, multiples, and divisibility
by datonman »
How many positive integers less than 28 are prime numbers, odd...
6
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Last post by Matt@VeritasPrep
Fri Jan 08, 2016 1:32 pm
PS: Ages of Ebo and Atu
by saadishah »
I am stuck and unable to solve this using the single variable method....
4
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Last post by Matt@VeritasPrep
Fri Jan 08, 2016 1:16 pm