Verbal ReasoningGMAT Focus Edition

GMAT Explain / Resolve Discrepancy practice questions

Explain / Resolve Discrepancy is a high-yield GMAT topic. Work through these practice questions to build accuracy and speed before test day.

Free Explain / Resolve Discrepancy practice

5 sample questions

Practice Question 1easyCritical Reasoning

After implementing a new teaching method, a school observed that average grades in mathematics improved by 10% across all classes. The principal concluded that the new method was responsible for this improvement and should be adopted school-wide. However, some teachers noted that many students' individual performances remained unchanged.

Which of the following, if true, would best explain the discrepancy between the survey results and the principal's conclusion?

A.

Teachers reported higher job satisfaction after adopting the new teaching approach.

B.

The new teaching method emphasizes creative problem-solving rather than rote memorization.

C.

Standardized test scores remained unchanged from previous years despite the new method.

D.

Attendance rates increased significantly during the period when the new method was implemented.

E.

The students who improved their grades were primarily those who had already been performing well academically.

Practice Question 2easyCritical Reasoning

At an archaeological site, researchers found significantly more artifacts from a later time period 10001200CE1000-1200 CE than from an earlier period 500700CE500-700 CE. The researchers concluded that cultural activity in the region was substantially greater during the later period.

Which of the following, if true, would most help to explain the discrepancy described above?

A.

Archaeologists used identical excavation techniques for both time periods during their survey.

B.

The artifacts from the earlier period were primarily stored in underground chambers that were later sealed off by natural rock formations.

C.

Local museums have deliberately focused their collections on artifacts from the later period.

D.

The region's climate remained stable throughout both periods, with no significant environmental changes.

E.

The later period experienced more frequent warfare that typically destroys cultural artifacts.

Practice Question 3easyCritical Reasoning

A study found that farms using organic methods reported 40% less pesticide use per acre than conventional farms. However, agricultural economists argue that organic farming methods cannot be credited for this reduced pesticide use.

Which of the following, if true, would best explain the apparent discrepancy described above?

A.

Organic farms employ more manual labor for pest control, which reduces but does not eliminate the need for chemical pesticides.

B.

Pesticides approved for organic farming are less effective per application, requiring more frequent use to achieve similar results.

C.

The study measured pesticide use per acre but did not account for the fact that organic farms typically have lower crop yields per acre than conventional farms.

D.

Conventional farms in the study region have unusually high pesticide use compared to national averages.

E.

The organic farms in the study were mostly small family operations, while conventional farms were large agribusinesses.

Practice Question 4mediumCritical Reasoning

A city implemented a subsidy program to reduce the cost of solar panel installations for homeowners by 30%. Despite this, the number of new solar panel installations in the city remained unchanged in the three months following the program's introduction.

Which of the following, if true, most helps to explain the discrepancy described above?

A.

Many homeowners are unaware of the long-term savings potential of solar panels.

B.

The program was announced during a period of economic downturn.

C.

Solar panels require significant roof space, which many homes in the city lack.

D.

The subsidy only covers panels installed by a single, expensive provider, whose total costs even after subsidy exceed market rates.

E.

The city has experienced unusually cloudy weather in recent months.

Practice Question 5mediumCritical Reasoning

To reduce downtown traffic congestion, the city council increased parking fees by 40% in the central business district, expecting more commuters to use public transportation instead of driving. However, traffic congestion remained unchanged.

Which of the following, if true, best explains the discrepancy between the city council's expectation and the actual outcome of their plan to reduce traffic congestion?

A.

Many downtown workers already use public transportation due to previous parking restrictions.

B.

Traffic congestion has worsened steadily over the past five years despite previous measures.

C.

Several large employers have announced plans to relocate offices outside the city center.

D.

The city's public transit system currently operates at full capacity during peak hours.

E.

The proposed parking fee increase would apply only to weekday commuters, not weekend visitors.

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