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Problem Solving

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Last post
Apples and Bananas
by mstone »
A certain fruit stand sold apples for .70 each and bananas for .50...
16
Last post by gmatmachoman
Wed Feb 24, 2010 11:48 am
what is the value of x + y + z ?
by abhi332 »
If 3x - 2y - z = 32 + z and (3x) ^ 1/2 - (2y + 2z) ^ 1/2 = 4 , what...
1
Last post by ajith
Wed Feb 24, 2010 11:46 am
least possible value of n
by abhi332 »
If n is a positive integer and the product of all the integers from 1...
1
Last post by Pedros
Wed Feb 24, 2010 11:29 am
Solution for X
by sang5650 »
For how many integers X is 4x=x^4? A)0 B)1 C)2 D)3 E)4
4
Last post by sang5650
Wed Feb 24, 2010 9:58 am
help needed on word problem
by sohaib_iba »
Ellen paid $11.80 for 40 postage stamps. If some of the stamps were...
2
Last post by Pedros
Wed Feb 24, 2010 7:43 am
Amtrack Express
by Aman verma »
Q: Amtrack train left for New York City ,increasing its speed in each...
7
Last post by Aman verma
Wed Feb 24, 2010 6:16 am
Butter Chicken
by Aman verma »
Q: Barack Singh Lamba, a famous cook in Capitol Hills ,Washington...
5
Last post by Aman verma
Wed Feb 24, 2010 5:55 am
NOT true for y?
by sanju09 »
If y^3 - x y^2 - 14 x^2 y + 24 x^3 = 0, then which of...
1
Last post by ajith
Wed Feb 24, 2010 3:01 am
permutation and combination dose for the day
by thephoenix »
Five cards are to be selected from 10 cards numbered 1 to 10. In how...
1
Last post by ajith
Wed Feb 24, 2010 12:34 am
Prime Number Problem
by Wheeoh »
Hello, I can figure out this problem, but not in less than 2 minutes....
2
Last post by ajith
Tue Feb 23, 2010 10:46 pm
Word Problem
by Aman verma »
Q: A shopkeeper told me when I asked about the total number of...
13
EXPERT REPLIES
Last post by lunarpower
Tue Feb 23, 2010 7:12 am
Meeting
by Aman verma »
Q : At a meeting of the Senate there were n people.As per the...
8
Last post by firdaus117
Tue Feb 23, 2010 6:33 am
one pick up to get 9
by sanju09 »
A box contains 20 balls, of which 4 are white, 7 are black and 9 are...
4
Last post by harsh.champ
Tue Feb 23, 2010 6:19 am
Am I missing something?
by arzanr »
At a certain diner, a hamburger and coleslaw cost $3.59 and a...
3
Last post by harsh.champ
Tue Feb 23, 2010 5:50 am
divide the square into four
by sanju09 »
The diagonals of square ABCD of area 4 divide the square into four...
6
Last post by harsh.champ
Tue Feb 23, 2010 4:57 am
many balls must
by sanju09 »
A box contains 20 balls, of which 4 are white, 7 are black and 9 are...
1
Last post by harsh.champ
Tue Feb 23, 2010 3:25 am
factors
by rahul.s »
If n is the product of the integers from 1 to 70, inclusive, what is...
4
Last post by thephoenix
Tue Feb 23, 2010 3:10 am
factors
by rahul.s »
If 338c = r^2 , and c is the smallest positive integer such that r is...
2
Last post by rahul.s
Tue Feb 23, 2010 2:57 am
trick to convert recurring decimals to fraction
by abhi332 »
Few tricks 1) 0.6666... to convert 0.6666... to fraction, we know 6...
1
Last post by harsh.champ
Tue Feb 23, 2010 2:25 am
1000 PS Section I #20
by arzanr »
If y not equal to 3 and (3x)/y is a prime integer greater than 2,...
7
Last post by abhi332
Tue Feb 23, 2010 1:31 am
Difficult Math Question #43 - Sets
by 800guy »
A group of people participate in some curriculums, 20 of them...
8
Last post by ajith
Tue Feb 23, 2010 1:04 am
GMAT Prep Question - Please help solve!
by wakawaka111 »
Can someone walk me through this problem? For every integer k from 1...
2
Last post by wakawaka111
Mon Feb 22, 2010 9:01 pm
Intermediate Probability
by Aman verma »
Q: A and B pick up a card at random from a well shuffled pack of...
3
Last post by arzanr
Mon Feb 22, 2010 7:43 pm
Consecutive integers
by williamthesituation »
If x^3 -x = p, and x is odd, is p divisible by 24 p = (x-1)x(x+1) We...
3
Last post by Stuart@KaplanGMAT
Mon Feb 22, 2010 1:55 pm
Army
by shashank.ism »
An army code consists of 4 letters, the first two of which are...
13
Last post by mah927
Mon Feb 22, 2010 10:28 am
Square countertop
by acorra »
A square countertop has a square tile inlay in the center, leaving an...
12
EXPERT REPLIES
Last post by santosh_surathkal
Mon Feb 22, 2010 9:07 am
NO TRIGONOMETRY PLEASE
by sanju09 »
C is a point outside of a circle with centre A and radius r . CB and...
2
Last post by firdaus117
Mon Feb 22, 2010 7:33 am
tough lot, please bear
by sanju09 »
A lot contains 20 articles. The probability that the lot contains...
11
Last post by Aman verma
Mon Feb 22, 2010 7:00 am
probability and combinations
by thephoenix »
since these two are the most valued concept in GMAT , let me have the...
6
Last post by firdaus117
Mon Feb 22, 2010 6:52 am
Price Reductions
by harsh.champ »
The price of a cycle is reduced by 25 per cent. The new price is...
6
Last post by harshavardhanc
Mon Feb 22, 2010 6:46 am
stand in a ring
by sanju09 »
A and B stand in a ring with 10 others. If arrangement of 12 persons...
1
Last post by harsh.champ
Mon Feb 22, 2010 5:48 am
G is the centroid
by sanju09 »
In a triangle ABC, AB = AC, and the coordinates of points B and C are...
3
Last post by harsh.champ
Mon Feb 22, 2010 5:45 am
noticed the train?
by sanju09 »
A straight rail subway, which is 8 meter long, has P and Q as its two...
1
Last post by ajith
Mon Feb 22, 2010 5:04 am
train kills him
by sanju09 »
A straight rail subway, which is 8 meter long, has P and Q as its two...
1
Last post by ajith
Mon Feb 22, 2010 5:02 am
m is less than
by sanju09 »
Square roots of two successive positive integers, each greater than n...
7
Last post by ajith
Mon Feb 22, 2010 4:41 am
Badminton
by firdaus117 »
Adam and Smith are playing a game of badminton.Adam is currently on...
1
Last post by sanju09
Mon Feb 22, 2010 3:13 am
5 + 3 n is NEVER
by sanju09 »
For some integer n, 5 + 3 n is NEVER (A) a prime (B) divisible by 7...
22
Last post by sanju09
Mon Feb 22, 2010 1:39 am
What are the values of x?
by firdaus117 »
I will post the detailed solution if required after some discussion....
1
Last post by ajith
Mon Feb 22, 2010 1:08 am
Sugar - Bit on the Difficult side
by harsh.champ »
A salesman mixes three varieties of sugar costing Rs.20/kg, Rs.24/kg...
3
Last post by ashforgmat
Mon Feb 22, 2010 1:05 am
Clarification Needed
by harsh.champ »
I came across this question.I am confused by the term gain per cent...
6
Last post by firdaus117
Mon Feb 22, 2010 12:27 am
Proportion
by dheaven1 »
A snapshot measures 2 1/2 inches by 1 7/8 inches. It is to be...
1
Last post by thephoenix
Sun Feb 21, 2010 10:47 pm
Seconds and Hours
by tsmith93 »
A factory can produce 1 gizmo ever 333 seconds. How many hours will...
3
Last post by ashforgmat
Sun Feb 21, 2010 10:23 pm
Please help me.
by tsmith93 »
If the rent on an apartment goes up 10% every year, next year's rent...
7
Last post by ashforgmat
Sun Feb 21, 2010 10:04 pm
Functions
by Giorgio »
if F(X+Y)=F(x)F(y) what is F(0) ? 10 1 0 -1 -10
6
Last post by ashforgmat
Sun Feb 21, 2010 9:40 pm
integer r and s are distinct
by Nijeesh »
The integer r and s are distinct and each one not equal to 0. if...
4
Last post by ashforgmat
Sun Feb 21, 2010 9:34 pm
If each term in the sum a1+a2+a3+.....+an is either 7 or 77
by imane81 »
Your help in this one is much appreciated.. If each term in the sum...
3
Last post by shashank.ism
Sun Feb 21, 2010 8:48 pm
Rotation
by ramyaravindran »
I am not sure about the source of the question. I also do not have...
6
Last post by shashank.ism
Sun Feb 21, 2010 8:46 pm
books
by shashank.ism »
In order to sell his old books, which were priced at Rs. 63 per book,...
2
Last post by money9111
Sun Feb 21, 2010 8:05 pm
(2^12 - 2^6) / (2^6 - 2^3) =
by imane81 »
Please help solve this one (2^12 - 2^6) / (2^6 - 2^3) =
9
Last post by shashank.ism
Sun Feb 21, 2010 6:05 pm
Math years - please help me
by tsmith93 »
Boris was 26 years old in 1970, when his daughter, Olga, was born. In...
3
Last post by thephoenix
Sun Feb 21, 2010 5:21 pm
Target Test Prep Flash Sale
Target Test Prep is 20% off right now!
Use code FLASH20

Available with Beat the GMAT members only code

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Magoosh
Magoosh
Study with Magoosh GMAT prep

Available with Beat the GMAT members only code

MORE DETAILS
Magoosh