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Standard deviation and mean
by StarDust845 » Fri Jan 11, 2008 11:48 am
How do we know that the top 2% of the scores lie more than 2 standard...
17
Last post by tarn151
Sat Aug 07, 2010 11:12 am
Sat Aug 07, 2010 11:12 am
OG 10 Data sufficiency Question 24
by manishankar » Thu Aug 05, 2010 2:25 pm
If R and S are positive integers. R is what percent of S (1) R=3/4 S...
4
Last post by lunarpower
Sat Aug 07, 2010 3:42 am
Sat Aug 07, 2010 3:42 am
Range of squares - SET
by gmatrant » Fri Aug 06, 2010 4:26 pm
Set S consists of n positive integers. What is the range of squares...
3
Last post by sanju09
Fri Aug 06, 2010 11:17 pm
Fri Aug 06, 2010 11:17 pm
Question 122 DS OG12
by rajendraputta » Fri Aug 06, 2010 9:53 am
Hello all, This question in OG 12 is pretty ambigous. 122. What is...
2
Last post by Stuart@KaplanGMAT
Fri Aug 06, 2010 3:49 pm
Fri Aug 06, 2010 3:49 pm
OG-11 DS#150
by haidgmat » Thu Aug 05, 2010 6:15 pm
Can someone please explain this to me? Henry purchased 3 items during...
3
Last post by clock60
Fri Aug 06, 2010 1:37 pm
Fri Aug 06, 2010 1:37 pm
DS - Nan car park
by harsh.champ » Wed Feb 17, 2010 5:57 am
Yesterday Nan parked her car at a certain parking garage that charges...
7
Last post by Fiver
Fri Aug 06, 2010 10:22 am
Fri Aug 06, 2010 10:22 am
Vacation Days (DS)
by The Duke » Fri Aug 06, 2010 8:29 am
Last year, the five employees of Company X took an average of 16...
1
Last post by The Duke
Fri Aug 06, 2010 8:32 am
Fri Aug 06, 2010 8:32 am
DS question - doubt - percents
by praveen_gmat » Wed Aug 04, 2010 2:05 am
At least 100 students at a certain high school study Japanese. If 4...
6
Last post by selango
Fri Aug 06, 2010 4:20 am
Fri Aug 06, 2010 4:20 am
Co-ordinate Geomatry
by akpareek » Wed Aug 04, 2010 6:11 am
in the xy plane, line L passes through point (1,p). Does L have a...
10
Last post by lunarpower
Fri Aug 06, 2010 4:01 am
Fri Aug 06, 2010 4:01 am
is y greater than y^2? tricky concept Q for instructors
by san2009 » Wed Aug 04, 2010 10:15 am
I am having trouble rephrasring this question ALGEBRAICALLY and...
7
Last post by mahen_gupta
Thu Aug 05, 2010 3:45 pm
Thu Aug 05, 2010 3:45 pm
A jar contains
by ektamatta » Mon Jul 28, 2008 1:07 pm
5. A jar contains 30 marbles, of which 20 are red and 10 are blue. If...
4
Last post by missrochelle
Thu Aug 05, 2010 2:29 pm
Thu Aug 05, 2010 2:29 pm
123 - 131 Arithmetics
by phoenix9801 » Sat Jul 10, 2010 11:10 pm
Hi, can someone please help to explain by step-by-step instructions...
9
Last post by Ian Stewart
Thu Aug 05, 2010 12:33 pm
Thu Aug 05, 2010 12:33 pm
fuel tank of my motorcycle
by sanju09 » Sat Jul 31, 2010 5:47 am
What is the capacity of the fuel tank of my motorcycle? 1. When I...
2
Last post by reply2spg
Thu Aug 05, 2010 11:43 am
Thu Aug 05, 2010 11:43 am
the clock lose in 504
by sanju09 » Sat Jul 31, 2010 4:22 am
How many minutes will the clock lose in 504 hours? 1. The clock loses...
4
Last post by reply2spg
Thu Aug 05, 2010 11:42 am
Thu Aug 05, 2010 11:42 am
the Quidditch team
by sanju09 » Sat Jul 31, 2010 5:45 am
What is the average age of the members of the Quidditch team? 1. The...
2
Last post by reply2spg
Thu Aug 05, 2010 11:39 am
Thu Aug 05, 2010 11:39 am
Kenny shorter than Garry
by sanju09 » Sat Jul 31, 2010 4:24 am
Is Kenny shorter than Garry? 1. Garry is much taller than Vinny. 2....
2
Last post by reply2spg
Thu Aug 05, 2010 11:38 am
Thu Aug 05, 2010 11:38 am
on the MTE test
by sanju09 » Sat Jul 31, 2010 5:56 am
Is 2010 the average (arithmetic mean) score on the MTE test? 1. The...
2
Last post by reply2spg
Thu Aug 05, 2010 11:38 am
Thu Aug 05, 2010 11:38 am
DS question
by Beat-D-GMAT » Sun Jan 03, 2010 9:18 am
Hello. Can some one please explain how to solve this question. Store...
8
Last post by reply2spg
Thu Aug 05, 2010 11:36 am
Thu Aug 05, 2010 11:36 am
G is a sequence
by sanju09 » Sat Jul 31, 2010 4:21 am
G is a sequence such that each term is 3 more than the preceding...
5
Last post by reply2spg
Thu Aug 05, 2010 11:28 am
Thu Aug 05, 2010 11:28 am
Weighted averages
by gmatrant » Wed Aug 04, 2010 5:51 pm
A group of men and women gathered to compete in a marathon. Before...
3
Last post by pradeepkaushal9518
Thu Aug 05, 2010 5:52 am
Thu Aug 05, 2010 5:52 am
Co-ordinate Geomatry
by akpareek » Wed Aug 04, 2010 6:21 am
What is the slope of line L1 ? 1. L1 is parallel to x=3y 2. L1 passes...
4
Last post by selango
Wed Aug 04, 2010 7:41 pm
Wed Aug 04, 2010 7:41 pm
Co-ordinate Geomatry
by akpareek » Wed Aug 04, 2010 6:20 am
Is line L1 perpendicular to L2 ? 1. L1 passes through (1,2) and L2...
3
Last post by tomada
Wed Aug 04, 2010 5:22 pm
Wed Aug 04, 2010 5:22 pm
Co-ordinate Geomatry
by akpareek » Wed Aug 04, 2010 6:08 am
In the xy plane, are the points (r,s) and (u,v) equidistance from the...
2
Last post by clock60
Wed Aug 04, 2010 12:01 pm
Wed Aug 04, 2010 12:01 pm
Help: DS Question on Interests
by praveen_gmat » Wed Aug 04, 2010 12:16 am
If $1,000 is deposited in a certain bank account and remains in the...
4
Last post by Rahul@gurome
Wed Aug 04, 2010 7:08 am
Wed Aug 04, 2010 7:08 am
tricky DS question on num properties 700+ . Wat am i doing?
by san2009 » Wed Aug 04, 2010 12:33 am
I am running into problem with statement 1 + statement 2 scenario:...
1
Last post by selango
Wed Aug 04, 2010 1:04 am
Wed Aug 04, 2010 1:04 am
Inequalities and Modulus
by er_priyankajolly » Tue Aug 03, 2010 9:26 am
Is x > y? (1) x^2 > y (2) x - |y| > 0 Can you please...
2
Last post by dinesh19aug
Tue Aug 03, 2010 10:41 pm
Tue Aug 03, 2010 10:41 pm
DS Question on lcm and GCF
by dinesh19aug » Tue Aug 03, 2010 8:44 pm
What is the lcm of a and b? 1) GCF = 15 2) a=30 and a>b I...
3
Last post by selango
Tue Aug 03, 2010 10:37 pm
Tue Aug 03, 2010 10:37 pm
Is |x| = Y-Z
by monusangeeta » Tue Aug 03, 2010 8:53 pm
Dear Experts, Please help me with this question. IS |X| = Y-Z? 1. X+Y...
3
Last post by dinesh19aug
Tue Aug 03, 2010 10:08 pm
Tue Aug 03, 2010 10:08 pm
Consecutive Integer!
by thaipq5290 » Tue Aug 03, 2010 10:01 am
If D is a positive integer and F is the product of the first 30...
1
Last post by selango
Tue Aug 03, 2010 10:13 am
Tue Aug 03, 2010 10:13 am
Digits
by lukeposada » Sun Aug 01, 2010 3:36 pm
Need some help with this one: Is the hundredths digit of the decimal...
5
Last post by HPengineer
Tue Aug 03, 2010 6:12 am
Tue Aug 03, 2010 6:12 am
3 GMAT Practice test question
by amandeep.hora » Sun Aug 01, 2010 8:37 pm
Problem 1 Problem 2 Problem 3 Appreciate the help ! thanks Regards...
3
Last post by Rahul@gurome
Tue Aug 03, 2010 5:38 am
Tue Aug 03, 2010 5:38 am
Sequence (GPREP)
by aj5105 » Tue Jun 16, 2009 11:41 pm
Given a sequence a1, a2, a3……. a15 In the sequence shown, an =...
11
Last post by lunarpower
Tue Aug 03, 2010 3:23 am
Tue Aug 03, 2010 3:23 am
Is the range of the integers...
by The Jock » Tue Aug 03, 2010 2:12 am
Is the range of the integers 4, 7, x, 6, 5, y greater than 9 ? (1) y...
2
Last post by selango
Tue Aug 03, 2010 2:28 am
Tue Aug 03, 2010 2:28 am
Is (x + y) greater than x y?
by sanju09 » Mon Feb 09, 2009 2:54 am
If x and y are non-negative, is (x + y) greater than x y? (1) x = y...
9
Last post by sanju09
Mon Aug 02, 2010 5:13 am
Mon Aug 02, 2010 5:13 am
stats ques
by nitug » Sat Aug 30, 2008 11:10 am
hi ppl, please go through this one and see if anyone can explain me...
6
Last post by Ian Stewart
Mon Aug 02, 2010 2:37 am
Mon Aug 02, 2010 2:37 am
198 practise prob
by clammiestqasar » Sun Aug 01, 2010 9:33 pm
133) A firm has 4 senior partners and 6 junior partners. How many...
2
Last post by clammiestqasar
Mon Aug 02, 2010 12:22 am
Mon Aug 02, 2010 12:22 am
consecutive odd integers
by gmat009 » Fri Oct 03, 2008 6:29 am
What is the sum of a certain pair of consecutive odd integers? (1) At...
3
Last post by kvcpk
Mon Aug 02, 2010 12:19 am
Mon Aug 02, 2010 12:19 am
the Himalayan mountain range
by sanju09 » Sat Jul 31, 2010 6:06 am
Find the height of the highest mountain in the Himalayan mountain...
3
Last post by selango
Sun Aug 01, 2010 11:26 pm
Sun Aug 01, 2010 11:26 pm
198 practise problem II
by clammiestqasar » Sun Aug 01, 2010 9:33 pm
132) In sequence an = an-1 + k, where 2 ≤ n ≤ 15 and k is...
1
Last post by kvcpk
Sun Aug 01, 2010 10:36 pm
Sun Aug 01, 2010 10:36 pm
Solve this DS for me from OG-12
by debaranjansahoo » Sun Aug 01, 2010 4:19 am
Hi, can someone try this and let me know your answer. this question...
2
Last post by selango
Sun Aug 01, 2010 8:49 am
Sun Aug 01, 2010 8:49 am
Is n divisible by 12?
by The Jock » Sun Aug 01, 2010 4:59 am
Is n divisible by 12? 1. n/6 is an integer. 2. n/4 is an integer. I...
3
Last post by selango
Sun Aug 01, 2010 7:38 am
Sun Aug 01, 2010 7:38 am
if n is an integer, is -3x^n positive?
by The Jock » Sun Aug 01, 2010 5:20 am
if n is an integer, is -3x^n positive? 1. x is negative. 2. n is odd.
4
Last post by outreach
Sun Aug 01, 2010 6:10 am
Sun Aug 01, 2010 6:10 am
(x-y)/ (x+y) < 1
by gkumar » Wed Oct 21, 2009 6:34 am
I couldn't find this problem in the search results. I am confused by...
6
Last post by Asif
Sun Aug 01, 2010 2:12 am
Sun Aug 01, 2010 2:12 am
