Search found 424 matches
Re: CR - Inference
A population study based on a 'Representative data sample', a sample just large enough to allow for decently accurate projections found that in 1975 there had been a dramatic reversal of a 10 year tendency toward migration of Litivia residents older than 60 to small towns and rural regions both wit...
- by piyush_nitt
Tue May 05, 2009 9:22 pm- Forum: Critical Reasoning
- Topic: CR - Inference
- Replies: 16
- Views: 3750
finite set
S is finite set of numbers. Does S contain more negative numbers than positive numbers?
a. Product of all numbers in S is -1200
b. There are 6 numbers in S
IMO: E
- by piyush_nitt
Tue May 05, 2009 2:19 pm- Forum: Data Sufficiency
- Topic: finite set
- Replies: 1
- Views: 1885
Median again!
is z equal to the median of the 3 positive integers x, y & z?
a. x < y + z
b. y = z
IMO : B
- by piyush_nitt
Tue May 05, 2009 2:18 pm- Forum: Data Sufficiency
- Topic: Median again!
- Replies: 2
- Views: 1176
Sticky pads
2 sizes of sticky pads. Each has 4 colors – Blue, Green, Yellow, and Purple. The pads are packed in packages that contain either 3 notepads of same size and same color or 3 notepads of same size and of 3 different colors. How many different packages of the types described are possible? a. 6 b. 8 c. ...
- by piyush_nitt
Tue May 05, 2009 2:15 pm- Forum: Problem Solving
- Topic: Sticky pads
- Replies: 3
- Views: 1335
Tank
Some water was removed from each of 6 tanks. If standard deviation of the volumes of water at the beginning was 10 gallons, what was the standard deviation of the volumes at the end? a. For each tank, 30% of water at the beginning was removed b. The average volume of water in the tanks at the end wa...
- by piyush_nitt
Tue May 05, 2009 2:09 pm- Forum: Data Sufficiency
- Topic: Tank
- Replies: 3
- Views: 1071
Multiple
If x and y are integers greater than 1, is x a multiple of y?
a. 3y2 + 7y = x
b. x2 – x is a multiple of y
Don't have OA. IMO: A
- by piyush_nitt
Tue May 05, 2009 2:06 pm- Forum: Data Sufficiency
- Topic: Multiple
- Replies: 1
- Views: 1006
(x + a)(x + b)
In the xy plane, at what point does y = (x + a)(x + b) cross the x axis?
a. a + b = -1
b. graph intersects y axis at (0, -6)
Don't have OA. IMO : C
- by piyush_nitt
Tue May 05, 2009 2:05 pm- Forum: Data Sufficiency
- Topic: (x + a)(x + b)
- Replies: 3
- Views: 5211
Mean and median
A list of measurements in increasing order is 4, 5, 6, 8, 10, and x. If median of the measurements is 6/7 times the mean, what is the value of x?
a. 16
b. 10
c. 12
d. 13
e. 15
- by piyush_nitt
Tue May 05, 2009 1:58 pm- Forum: Problem Solving
- Topic: Mean and median
- Replies: 2
- Views: 1237
OA is A I was mixed up with D, i thought D and A were saying the same thing. D says last year Jennifer took only one week of the paid vacation time to which she was entitled I interpreted it as - Jennifer took 1 week of vacation out of the 3 weeks and so is left with 2. Agree with thetrystero Are y...
- by piyush_nitt
Tue May 05, 2009 12:13 pm- Forum: Critical Reasoning
- Topic: CR- Vacation
- Replies: 8
- Views: 2291
Re: Evaluate the argument
The facts show that the fear of flying in airplanes is not rational. In 1986 alone there were 38500 fatalities in highway accidents, but from 1980 to the present an average of only 77 accidents on major domestic airlines. The rate for regional airlines was only slightly higher. If the evidence cite...
- by piyush_nitt
Tue May 05, 2009 11:33 am- Forum: Critical Reasoning
- Topic: Evaluate the argument
- Replies: 3
- Views: 1594
- by piyush_nitt
Tue May 05, 2009 1:50 am- Forum: Critical Reasoning
- Topic: Advocates
- Replies: 11
- Views: 2195
Advocates
Advocates insist that health savings accounts are an efficient method to reduce medical expenses. However, widespread adoption of these accounts will soon undermine the public’s health. One reason for this is that most people will be reluctant to deplete their accounts to pay for regular preventive ...
- by piyush_nitt
Mon May 04, 2009 5:11 am- Forum: Critical Reasoning
- Topic: Advocates
- Replies: 11
- Views: 2195
company’s performance
One study found that although government policy and the industrial sector in which a company operates can influence its productivity and financial strength, management decisions have at least as great an impact on a company’s performance. A.management decisions have at least as great an impact B.dec...
- by piyush_nitt
Mon May 04, 2009 5:02 am- Forum: Sentence Correction
- Topic: company’s performance
- Replies: 17
- Views: 3320
Another absolute
If x and y are non-zero integers and |x| + |y| = 32, what is xy?
(1) -4x – 12y = 0
(2) |x| – |y| = 16
Is there any effective way to solve absolute problems?
OA: A
- by piyush_nitt
Mon May 04, 2009 4:11 am- Forum: Data Sufficiency
- Topic: Another absolute
- Replies: 1
- Views: 1249
Yes require is a bossy verb and therefore needs a command subjunctive(disclose) Using "That" after the "require" is the first best option As Vemuri pointed out it boils down to A and C C wins over A since it does not have a ambigous pronoun reference A company, An organization e...
- by piyush_nitt
Mon May 04, 2009 3:14 am- Forum: Sentence Correction
- Topic: Do require need subjunctive?
- Replies: 3
- Views: 1211