Search found 62 matches
Permutation problem.
How many number of 3 digit numbers can be formed with the digits 0,1,2,3,4,5 if no digit is repeated in any number? How many of these are even and how many odd?
I don't know the exact source of this problem. I found this in a quant problems collection. The answers given are 48 odd and 52 even.
- by vertigo05
Sun Apr 04, 2010 6:21 am- Forum: Problem Solving
- Topic: Permutation problem.
- Replies: 3
- Views: 1357
- by vertigo05
Wed Mar 17, 2010 4:37 pm- Forum: Data Sufficiency
- Topic: Absolute Value Problem-Taken From Manhattan Gmat!
- Replies: 9
- Views: 1739
- by vertigo05
Wed Mar 17, 2010 9:50 am- Forum: Data Sufficiency
- Topic: Absolute Value Problem-Taken From Manhattan Gmat!
- Replies: 9
- Views: 1739
use of lie detectors
The use of lie detectors is based on the assumption that lying produces emotional reactions in an individual that, in turn, create unconscious physiological responses . (A) that, in turn, create unconscious physiological responses (B) that creates unconscious physiological responses in turn (C) crea...
- by vertigo05
Sun Mar 07, 2010 5:33 am- Forum: Sentence Correction
- Topic: use of lie detectors
- Replies: 3
- Views: 2098
But, if we put values in (A), we get that x and y are not consecutive perfect squares. So (A) should also be sufficient. Pls let me know where i'm wrong.
- by vertigo05
Fri Mar 05, 2010 5:28 pm- Forum: Data Sufficiency
- Topic: x and y consecutive perfect squares
- Replies: 8
- Views: 6257
- by vertigo05
Tue Mar 02, 2010 8:42 am- Forum: Data Sufficiency
- Topic: inequalities
- Replies: 8
- Views: 1767
Hey Vineet, from your explanation,
we find that X is either between 1 & 2 or -1 &0. So not Suff
but,
from (1) x <= 0,2
from (2) x >1, x >-1
So combining both, shouldn't it be -1<x<=2 ???
- by vertigo05
Sat Feb 27, 2010 9:43 pm- Forum: Data Sufficiency
- Topic: inequalities
- Replies: 8
- Views: 1767
what is the best way to solve such problems?
Is a-3b an even number?
1). b=3a+3
2). b-a is an odd number
Ans : C
- by vertigo05
Sat Feb 27, 2010 5:36 pm- Forum: Data Sufficiency
- Topic: what is the best way to solve such problems?
- Replies: 7
- Views: 1932
number system DS
If X and Y are nonzero integers, what is the remainder when X is divided by Y?
(1) When X is divided by 2y, the remainder is 4
(2) When X+Y is divided by y, the remainder is 4
Ans : B
- by vertigo05
Sat Feb 27, 2010 9:09 am- Forum: Data Sufficiency
- Topic: number system DS
- Replies: 4
- Views: 1419
Thanx Ajith and Vineet.
One question for Vineet:
From (1) x<= 0,2
From (2) x> -1,1
Combining both, can we conclude that (-1<x<=2) ?
- by vertigo05
Fri Feb 26, 2010 3:43 pm- Forum: Data Sufficiency
- Topic: inequalities
- Replies: 8
- Views: 1767
inequalities
Is |x - 1| less than 1 ?
1). (x - 1)^2 less than and equal to 1
2). (x^2) - 1 greater than 0
- by vertigo05
Thu Feb 25, 2010 8:24 am- Forum: Data Sufficiency
- Topic: inequalities
- Replies: 8
- Views: 1767
- by vertigo05
Tue Feb 23, 2010 7:32 am- Forum: Problem Solving
- Topic: deck of cards
- Replies: 29
- Views: 10160
- by vertigo05
Mon Feb 22, 2010 11:16 am- Forum: Problem Solving
- Topic: deck of cards
- Replies: 29
- Views: 10160
i should have submitted this question in PS section. anyways, the OA is 40% can anybody explain it with proper justification?
- by vertigo05
Thu Jul 30, 2009 10:27 am- Forum: Data Sufficiency
- Topic: DS from manhattangmat
- Replies: 7
- Views: 1398
DS from manhattangmat
Anthony and Michael sit on the six-member board of directors for company X. If the board is to be split up into 2 three-person subcommittees, what percent of all the possible subcommittees that include Michael also include Anthony?
A. 20%
B. 30%
C. 40%
D. 50%
E. 60%
- by vertigo05
Wed Jul 29, 2009 10:29 am- Forum: Data Sufficiency
- Topic: DS from manhattangmat
- Replies: 7
- Views: 1398