Search found 405 matches
Combinations
In how many ways can 5 boys and 3 girls be seated on 8 chairs so that no two girls are together?
A 5760
B 14400
C 480
D 56
E 40320
HEre's what I did :
5! * (4C3) *2* 3! = 120*6*4*2= 5760. Am I correct?
OA A
- by voodoo_child
Mon Sep 24, 2012 12:21 pm- Forum: Problem Solving
- Topic: Combinations
- Replies: 1
- Views: 1253
Ian, Thanks for your response. This question is from 700 series document that I downloaded from GMATClub. However, because of an issue with my computer while traveling, I have lost all of my data. I do remember the solution. The OE said that after solving the individual equations (i.e. Group A, B an...
- by voodoo_child
Sat Sep 22, 2012 4:37 pm- Forum: Problem Solving
- Topic: Proportions- averages
- Replies: 3
- Views: 1119
Proportions- averages
In a game, three groups of students (A, B and C) in a class have averaged scores of -4, 0.5 and 20 respectively. The class average is 2. Group A and B account for what proportion of the entire student population? a) 1/3 and 4/9 b) 4/9 and 2/9 c) 5/9 and 1/9 d) 2/9 and 5/9 e) 1/3 and 2/3 OA A ....Ple...
- by voodoo_child
Tue Sep 18, 2012 8:05 am- Forum: Problem Solving
- Topic: Proportions- averages
- Replies: 3
- Views: 1119
- by voodoo_child
Thu Sep 13, 2012 4:16 pm- Forum: I just Beat The GMAT!
- Topic: 750 (50, 41) - My journey and helpful tips
- Replies: 5
- Views: 5480
- by voodoo_child
Sun Sep 09, 2012 5:01 pm- Forum: Problem Solving
- Topic: Graph Question - need expert help (probabaility)
- Replies: 3
- Views: 1039
- by voodoo_child
Sun Sep 09, 2012 5:00 pm- Forum: Problem Solving
- Topic: Graph Question - need expert help (probabaility)
- Replies: 3
- Views: 1039
Graph Question - need expert help (probabaility)
What is the probability that abs(y) >x? (Source MGMAT) What would be the graph of |y| > x? I used a graphing calculator -here's the graph http://s17.postimage.org/nfno1y78b/x_less_than_abs_y.jpg However, if we say |y| > x => y> x for +ve values of x and -y > x for -ve values of x, we will get an int...
- by voodoo_child
Sun Sep 09, 2012 3:48 pm- Forum: Problem Solving
- Topic: Graph Question - need expert help (probabaility)
- Replies: 3
- Views: 1039
Need expert help with Veritas CR
According to the new school district policy, only teachers that have the floors can have food in their classrooms. All of the classrooms in the new wing of the high school have tiled floors. However, most of the school's classrooms are still carpeted. Therefore, teachers who like to eat their lunche...
- by voodoo_child
Fri Sep 07, 2012 7:30 pm- Forum: Critical Reasoning
- Topic: Need expert help with Veritas CR
- Replies: 1
- Views: 1186
Need expert help with Veritas CR
State university's physics department requires that all tenured professors be "deliverable-oriented" in other words, focused on the creation and publication of new technical research that would add to the reputation of the university. Professor HAwkings, however, is known for his unorthodo...
- by voodoo_child
Fri Sep 07, 2012 5:34 pm- Forum: Critical Reasoning
- Topic: Need expert help with Veritas CR
- Replies: 1
- Views: 1232
The statement doesn't state that the Agent agrees with the author of the book. It says that the author uses "25 ..blah blah" as a premise. There is no clue confirming that Travel AGent agrees with the author of the book. The question posted by you is perfect, because it clearly says what i...
- by voodoo_child
Mon Sep 03, 2012 11:53 am- Forum: Critical Reasoning
- Topic: veritas cr - need expert help
- Replies: 2
- Views: 1033
- by voodoo_child
Mon Sep 03, 2012 9:09 am- Forum: Critical Reasoning
- Topic: Home Exercise Equipment problem
- Replies: 8
- Views: 2243
veritas cr - need expert help
Travel Agent: In the book travelling abroad, the author claims that European hotels are better designed than American hotels. This claim is justified by a thorough comparison of 25 populat European hotels and 25 popular American hotels. In this comparison, none of the American hotels were as complex...
- by voodoo_child
Mon Sep 03, 2012 9:06 am- Forum: Critical Reasoning
- Topic: veritas cr - need expert help
- Replies: 2
- Views: 1033
THe two equations are not the equations of a circle. Oh thanks .... You are correct the equations are parallel. When I said "circular properties", I didn't mean equation of circle.[:D] ....circular properties are when, as you said, the slope is same, OR for instance, if the unique solutio...
- by voodoo_child
Sun Sep 02, 2012 1:17 pm- Forum: Problem Solving
- Topic: Equation - need expert help
- Replies: 2
- Views: 927
Equation - need expert help
Why does this equation have infinite solutions ? I am not able to figure out why. Thoughts? nc = (n+10) (c-15).... (i) nc = (n-10)(c+15) ..... (ii) The solution is 3n = 2c. However, when you substitute the values, you get weird ...-150 = 0! Source - GMATClub Thoughts...I am too much engrossed the pr...
- by voodoo_child
Sun Sep 02, 2012 10:22 am- Forum: Problem Solving
- Topic: Equation - need expert help
- Replies: 2
- Views: 927
Thomas Eakins' powerful style and his choices of subject--the advances in modern surgery, the discipline of sport, the strains of individuals in tension with society or even with themselves-- was as disturbing to his own time as it is compelling for ours. (A) was as disturbing to his own time as it...
- by voodoo_child
Fri Aug 31, 2012 2:04 pm- Forum: Sentence Correction
- Topic: Thomas Eakins' powerful style-The present perfect tense coul
- Replies: 12
- Views: 6674