Search found 114 matches
Network of blood vessels and flight
Networks of blood vessels in bats’ wings serve only to disperse heat generated in flight. This heat is generated only because bats flap their wings. Thus paleontologists’ recent discovery that the winged dinosaur Sandactylus had similar networks of blood vessels in the skin of its wings provides...
- by kobel51
Tue Mar 18, 2014 11:45 pm- Forum: Critical Reasoning
- Topic: Network of blood vessels and flight
- Replies: 2
- Views: 1914
Poor production and a centralized economy
An overly centralized economy, not the changes in the climate, is responsible for the poor agricultural production in Country X since its new government came to power. Neighboring Country Y has experienced the same climatic conditions, but while agricultural production has been falling in Country X,...
- by kobel51
Tue Mar 18, 2014 11:43 pm- Forum: Critical Reasoning
- Topic: Poor production and a centralized economy
- Replies: 2
- Views: 1839
Strait of Gilbraltar
According strategic proximity to the Strait of Gibraltar, Morocco was also of interest to the French throughout the first half of the twentieth century because they assumed that if they did not hold it, their grip on Algeria was always insecure . (A) if they did not hold it, their grip on Algeria wa...
- by kobel51
Tue Mar 18, 2014 11:40 pm- Forum: Sentence Correction
- Topic: Strait of Gilbraltar
- Replies: 1
- Views: 1253
Acme Bank services
By providing such services as mortgages, home improvement loans, automobile loans, financial advice, and staying within the metropolitan areas, Acme Bank has become one of the most profitable savings banks in the nation. (A) financial advice, and staying (B) financial advice, and by staying (C) and ...
- by kobel51
Tue Mar 18, 2014 11:39 pm- Forum: Sentence Correction
- Topic: Acme Bank services
- Replies: 1
- Views: 1263
- by kobel51
Tue Mar 18, 2014 8:55 am- Forum: Data Sufficiency
- Topic: If 2x(5n) = t, what is t?
- Replies: 2
- Views: 1598
How many wheel rotations?
What is the number of 360-degree rotations that a bicycle wheel made while rolling 100 meters in a straight line without slipping?
1) The diameter of the bicycle wheel, including the tire, was 0.5 meter.
2) The wheel made twenty 360-degree rotations per minute.
- by kobel51
Tue Mar 18, 2014 8:54 am- Forum: Data Sufficiency
- Topic: How many wheel rotations?
- Replies: 2
- Views: 1520
Decrease hours to keep income the same
A part-time employee whose hourly wage was increased by 25 percent decided to reduce the number of hours worked per week so that the employee's total weekly income would remain unchanged. By what percent should the number of hours worked be reduced?
A) 12.5%
B) 20%
C) 25%
D) 50%
E) 75%
- by kobel51
Tue Mar 18, 2014 8:53 am- Forum: Problem Solving
- Topic: Decrease hours to keep income the same
- Replies: 4
- Views: 1648
Negative exponents
(1/3)^-3 * (1/4)^-2 * (1/16)^-1 =
A) (1/2)^-48
B) (1/2)^-11
C) (1/2)^-6
D) (1/8)^-11
E) (1/8)^-6
How to handle this quickly?
- by kobel51
Tue Mar 18, 2014 8:49 am- Forum: Problem Solving
- Topic: Negative exponents
- Replies: 2
- Views: 1834
Small-business and the minimum wage
Small-business groups are lobbying to defeat proposed federal legislation that would substantially raise the federal minimum wage. This opposition is surprising since the legislation they oppose would, for the first time, exempt all small businesses from paying any minimum wage. Which of the followi...
- by kobel51
Sat Mar 15, 2014 10:54 am- Forum: Critical Reasoning
- Topic: Small-business and the minimum wage
- Replies: 1
- Views: 2203
Banned imports
To protect certain fledgling industries, the government of Country Z banned imports of the types of products those industries were starting to make. As a direct result, the cost of those products to the buyers, several export-dependent industries in Z, went up, sharply limiting the ability of those ...
- by kobel51
Sat Mar 15, 2014 10:52 am- Forum: Critical Reasoning
- Topic: Banned imports
- Replies: 1
- Views: 2172
The plot of The Bostonians
The plot of The Bostonians centers on the rivalry between Olive Chancellor, an active feminist, with her charming and cynical cousin, Basil Ransom , when they find themselves drawn to the same radiant young woman whose talent for public speaking has won her an ardent following. (A) rivalry between O...
- by kobel51
Sat Mar 15, 2014 10:49 am- Forum: Sentence Correction
- Topic: The plot of The Bostonians
- Replies: 2
- Views: 2252
Dr Tonegawa Nobel Prize
Dr. Tonegawa won the Nobel Prize for discovering how the body can constantly change its genes to fashion a seeming unlimited number of antibodies, each specifically targeted at an invading microbe or foreign substance. (A) seeming unlimited number of antibodies, each specifically targeted at (B) see...
- by kobel51
Sat Mar 15, 2014 10:47 am- Forum: Sentence Correction
- Topic: Dr Tonegawa Nobel Prize
- Replies: 2
- Views: 2188
Effective kinds of publicity
Among the more effective kinds of publicity that publishers can get for a new book is to have excerpts of it published in a high-circulation magazine soon before the book is published. The benefits of such excerption include not only a sure increase in sales but also a fee paid by the magazine to th...
- by kobel51
Sun Mar 09, 2014 7:27 pm- Forum: Critical Reasoning
- Topic: Effective kinds of publicity
- Replies: 1
- Views: 1537
child care for low-income families
Low-income families are often unable to afford as much child care as they need. One government program would award low-income families a refund on the income taxes they pay of as much as $1,000 for each child under age four. This program would make it possible for all low-income families with childr...
- by kobel51
Sun Mar 09, 2014 7:26 pm- Forum: Critical Reasoning
- Topic: child care for low-income families
- Replies: 1
- Views: 1628
Barbara Wootton's elephant
The British sociologist and activist Barbara Wootton once noted as a humorous example of income maldistribution that the elephant that gave rides to children at the Whipsnade Zoo was earning annually exactly what she then earned as director of adult education for London. (A) that the elephant that g...
- by kobel51
Sun Mar 09, 2014 7:25 pm- Forum: Sentence Correction
- Topic: Barbara Wootton's elephant
- Replies: 1
- Views: 1437