Related Questions

Expert says 25% of of serious bicycle accidents involved head injury and that of all head injuries 80% are fatal. What percentage of serious bicycle accidents involve fatal head injuries?
A 16%
B 20%
C 55%
D 105%
Studies of fatal automobile accidents reveal that , in the majority of cases in which one occupant of an automobile is killed another survives, it is the passenger , not the driver , who is killed. It is ironic that the innocent passenger should suffer for the driver's carelessness, while the driver often suffers only minor injuries or none at all. Which of the following is an assumption underlying the reasoning in the passage above?
A In most fatal automobile accidents , the driver of a car in which an occupant is killed is at fault .
B Most deaths in fatal automobile accidents are suffered by occupants of cars rather then by pedestrians .
C Auto safety experts should increase their efforts to provide protection for those in the passenger seats of automobiles
D Automobile passengers sometimes play a contributing role in causing auto accidents
Say you want to report error concerned about fatal run-time, fatal compile-time error and core error which statement would you use?
A error_reporting = E_ALL
B error_reporting = E_ERROR | E_PARSE | E_CORE_ERROR
C error_reporting = E_ERROR | E_COMPILE_WARNING | E_CORE_ERROR
D error_reporting = E_ERROR | E_COMPILE_ERROR | E_CORE_ERROR
Cars are safer than planes. Fifty percent of plane accidents result in death ,while only one percent of car accidents result in death . which of the following , if true, would most seriously weaken the argument above?
A Planes are inspected more often than cars.
B The number of car accidents is several hundred thousand times higher than the number of plane accidents.
C Pilots never fly under the influence of alchohol, while car drivers often do.
D Plane accidents are usually the fault of air traffic controllers, not pilots.
In 1997, 10% of automobile insurance premiums went to pay costs arising from injuries occurred in car accidents, In 2007, cost despite the fact that cars were much safer in 2007 than in 1997 . which of the following . if true, best explains the discrepancy outlined above?
A Fewer accidents occured in 2007 than in 1997.
B In 2007, people drove more slowly than in 1997.
C Medical costs rose sharply between 1997 and 2007 .
D Repairing costs of cars grew more over the period.
Health experts say people still need moderate to vigorous exercise, which has been shown to reduce risks of cardiovascular disease and other disorders. Which of the following is closer in meaning to vigorous?
A Lethargic
B Sluggish
C Lengthy
D Energetic
Experts say the healthiest way to view a computer monitor is by
A Placing it 18 to 30 inches away from your eyes
B Viewing from a darkened room
C Adjusting the screen for maximum contrast
D Using special glasses that filter out UV rays
when demand for factory's products is high . more money is spent at the factory for safety precautions and machinery maintenance than when demand is low. thus the average number of on -the-job accidents per employee each month should be lower during perids when demand is high than when demand is low and less money is available for safety precautions and machinery maintenance .when demand for its products is high, casts the most serious doubt on the conclusion drawn above?
A Employees demand for higher wages than they do at other times.
B Authority hires new workers but lacks the time to rain them properly.
C Employees are less likely to lose their jobs than are at other times.
D Authority sponsors a monthly safety award for each division in the factory.
When demand for a factory's products is high, more money is spent at the factory for safety precautions and machinery maintenance than demand is low. Thus the average number of on-the-job accidents per employee each month should be bower during periods when demand is high than when demand is low and less money is available for safety precautions and machinery maintenance. Which of the following,if true about a factory when demand for its product is high casts the most serious doubt on the conclusion drawn above?
A Its employees ask for higher wages than they do at other times.
B Its management hires new workers but lacks the time to train them properly.
C Its employees are less likely to lose their jobs than they are at other times.
D Its management sponsors a monthly safety award for each division in the factory.
A person rides a bicycle round a circular path of radius 50 m. The radious of the wheel of the bicycle is 50 cm. The cycle comes to the starting point for the first time in 1 hour. what is the number of revolutions of the revolutions of the wheel in 15 minutes?
A 20
B 25
C 30
D 35

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