Admission Tests GMAT Online Practice Questions and Exam Preparation

Admission Tests GMAT Online Questions & Answers

• Question 261:

  Researchers studying long-term changes In regional mouse populations have found that by focusing on the populations of a rare but widespread and easily identifiable species of mouse (Species X), they can make fairly accurate estimations about the total regional mouse populations.

  In a report on a recent study that Included the data tables that follow, the researchers provided some addenda:

  1.

  "The Species X population of Region CV increased by 123,995 between 1990 and 2005.

  2.

  In contrast, the Species X population of Region EW declined by about 52% during that same time.

  

  The answer to which one of the following can be determined by using the information in the passage and tables?

  A. Between 1990 and 2005, did the Species X population of EW decrease by a greater number than the Species X population of CV increased?
  B. What was the approximate total mouse population of ]R in 2005?
  C. Did the Species X population of IQ increase between 1990 and 2005?
  D. Was the approximate total 2005 mouse population of TY larger or smaller than that of EW?
  E. What caused the Species X population of TY to increase so dramatically between 1975 and 1990?
  A. Between 1990 and 2005, did the Species X population of EW decrease by a greater number than the Species X population of CV increased?

• Question 262:

  

  A. -1
  C. 2
  D. 3
  E. 6
  D. 3

• Question 263:

  In Moldova in 1979, Russian was claimed as a native language by a large proportion of Jews (66 percent), ethnic Belarusians (62 percent), and bv a significant proportion of ethnic Ukrainians (30 percent).

  A. percent), ethnic Belarusians (62 percent), and by
  B. percent) and ethnic Belarusians (62 percent) and by
  C. percent), ethnic Belarusians (62 percent) and of
  D. percent), of ethnic Belarusians (62 percent), and of
  E. percent), ethnic Belarusians (62 percent), and
  B. percent) and ethnic Belarusians (62 percent) and by

• Question 264:

  HOTSPOT

  West River Glen is deciding which network architecture should replace its old copper telephone lines. The town will replace 300 miles of Outside Plant (OSP) cable that will serve approximately 2,500 homes. The first option is to install a Fiber to the Home (FTTH) system architecture that uses fiberoptic cable to transmit signals from the source to each home. The advantages of this architecture include greater bandwidth capabilities, less signal loss, and slightly lower newcable deployment costs than the second option. Hybrid Fiber-Coax (HFC).

  An HFC network integrates fiber-optic cables and devices with coaxial cables. This will cost the town substantially less money for internal equipment and for customer installations. However, the coaxial cable does not last as long as fiberoptic cable and will thus need to be replaced more frequently, resulting in higher long-term maintenance expenses. The town believes that either the FTTH or HFC architectures will be capable of serving the communities' data and television needs for the next 30 years.

  For each of the following statements, select Supported'if the statement is supported by the information given. Otherwise, select Not supported.

  Hot Area:

  

  

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  Explanation/Reference:

• Question 265:

  Was the median height of the 25 children in a certain class at least 2 percent greater than the average (arithmetic mean) height of the 25 children?

  (1)

  The median height of the 25 children was 2 centimetefs greater than their average height.

  (2)

  The sun of the heights of the 25 children was less than 2,550 centimeters.

  A. Statement (1) ALONE is sufficient but statement (2) alone Is not sufficient.
  B. Statement (2) ALONE is sufficient, but statement (1) alone is not suf ficient.
  C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE Is sufficient.
  D. EACH statement ALONE Is sufficient.
  E. Statements (1) and (2) TOGETHER are NOT sufficient.
  C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE Is sufficient.

• Question 266:

  HOTSPOT

  A motorist passing through an unfamiliar city needs to fill her car's fuel tank soon, well before she leaves the city, and needs to minimize her expenses. Nearby is the King Petrol station, offering the correct fuel for 2.OX) euros per liter. She has seen about one petrol station every 2 kilometers (km) of driving, on average, though distances vary. Prices at different petrol stations appear to vary randomly by up to 10%: roughly 2 km behind her in her journey she saw the correct fuel for 1.81 euros per liter. The fuel efficiency of her car under the current driving conditions is about 10 liters per 100 km. She could get a small amount of fuel at one station to allow her to drive to another station within the city. On the basis of the information in the passage, select for Reason to stop the factor that most clearly provides a logical reason for the motorist to stop at the King Petrol station. And select for Reason not to stop the factor that most clearly provides a logical reason for the motorist not to stop at the King Petrol station. Make only two selections, one in each column.

  Hot Area:

  

  

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  Explanation/Reference:

• Question 267:

  How many of the Integers from 100 to 999, Inclusive, do NOT contain either the digit 2 or the digit 5 ?

  A. 343
  B. 448
  C. 512
  D. 648
  E. 700
  B. 448

• Question 268:

  A certain truck averages 10 miles per gallon when driven in the city and 25 miles per gallon when driven on the highway. According to these rates, which of the following is closest to the number of miles per gallon that the truck averages when it is driven 20 miles in the city and 30 miles on the highway?

  A. 16
  B. 18
  C. 20
  D. 23
  E. 25
  A. 16

• Question 269:

  Wildlife management seeks to ensure that there are sufficient numbers of reproductive adults, particularly adult females, to maintain the population of any particular species at a level sustainable by the environment. This Involves setting upper limits, by sex and age, on the number of animals that hunters may take during specified periods of the hunting season. To determine these upper Smlts, wildlife managers plan to collect data about the sex and age of animals killed by hunters during each hunting season, by examining random samples of the animals' teeth. They will then use the resulting information to set the upper limits for the following year's hunting season.

  Which of the following, if true, most strongly supports the prediction that the managers' plan, if implemented, will achieve the stated goal of wildlife management?

  A. Some hunting is known to occur outside of the legally defined hunting season.
  B. Adult females of the relevant species tend to give birth to an equal number of males and females.
  C. The environment is becoming less able to sustain wildlife.
  D. Most of the legal restrictions on hunting are regarded as reasonable by the majority of haters.
  E. Most animal deaths among hunted species are due to hunting.
  E. Most animal deaths among hunted species are due to hunting.

• Question 270:

  It can be inferred from the passage that if Cope's hypothesis were correct, which of the following would most likely be true concerning salt-affected areas in Victoria?

  A. The permeable layer of soil would be less thick than the impermeable layer.
  B. Average soil salinity would be less before a rainfall than after a rainfall.
  C. Average soil salinity on certain hillside areas would be less than average soil salinity in adjacent valleys.
  D. During a year of especially low rainfall, the salinity of the soil on the valley floor would decrease.
  E. The land in valley floors affected by salinization would tend to be waterlogged except in dry seasons.
  C. Average soil salinity on certain hillside areas would be less than average soil salinity in adjacent valleys.

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  Explanation/Reference:

  Soil salinization--the process by which soil acquires excess soluble salt, adversely affecting pasture or crop growth--is regarded as Australia's most serious environmental problem. Cope, whose 1958 investigation is considered the earliest survey of salt-affected areas in Victoria, hypothesized that surplus rainwater mobilized soluble salt stored in the permeable layer of soil, causing it to accumulate above an impermeable layer and then discharge downslope or onto a valley floor. In the late 1970s, however, Jenkin identified saline water underground as the main and immediate (though not ultimate) source of the salt, and hypothesized that the spread of salinity resulted from a rise in that groundwater. He attributed the rise to a decrease in coverage by water-absorbing trees and other vegetation at some ill-defined point in Australia's post-settlement history. However, more-recent research suggests there was no rise in post- settlement groundwater levels. Furthermore, soil salinity probably antedated European settlement: early cartographic evidence indicates that some streams were saline when Europeans arrived. Dahlhaus suggests that salt accumulation resulted from marine incursions several million years ago, when parts of Victoria may have been submerged--as well as from transport of salt from the sea by wind and rain. Dahlhaus also notes that various minerals dissolved in groundwater by weathering may have produced salt.