The GMAT's quantitative section is increasingly emphasizing problem solving skills over calculation abilities, and often does so in the form of "Number Properties" questions. The authors of the exam are also quite adept at recognizing "mathematical psychology", and creating questions that increase an examinee's anxiety by enough to make that process of problem solving a bit more difficult.
One of the major themes that arises as a result is the use of exponents, which carry with them a number of properties extremely useful to the writers of the GMAT. Learn more about Exponents.
To answer questions that involve negative fractions and exponents, you have to know the one important rule:When it comes to negative fraction, the rule reverses
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 sufficient. C. Both statements TOGETHER are sufficient, but NEITHER one ALONE is sufficient. D. EACH statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient.
Answer
(1) SUFFICIENT: If B = 25, we know that 5^A = 25. Thus A must equal 2. (2) SUFFICIENT: If y^3 = 15,625, y must equal 25. The correct answer is D.
Collecting and Interpreting Facts: GMAT Reading Comprehension
Effective Note-taking for GMAT Reading Comprehension
5 Questions to Speed up Summary Creation
Mastering GMAT Reading Comprehension: 3 Best Practices
How to Remember Information
How to improve comprehension by Questioning the Author
How to Read Faster
How to Answer GMAT Reading Comprehension Title question
How to Answer GMAT Reading Comprehension Main Idea Question
How to Answer GMAT Reading comprehension inference question
How to Answer GMAT Reading Comprehension Purpose Question
How to Answer GMAT Reading Comprehension Detail Question
How to Answer the GMAT organization of passage Question
How to Improve GMAT Reading Comprehension Score?
Passage #1: Protein-Rich Diet Passage #2: Pregnant Women and Stress Management
Passage #3: F Losing Momentum
Passage #4: Conservatives and Automation
Passage #5: Collaboration, Team size and Performance
Passage #6: Effective Altruism
Passage #7: Loneliness Epidemic
Passage #8: Space Exploration
Passage #9: Lab-Grown Meat
Passage #10: Minimum Wage in the US
Passage #11: AI and Creativity
Passage #12: Bias Against Healthcare in Developing Economies
Passage #13: Legacy Admissions
Passage #14: Plastic Ban and alternatives
Passage #15: Underestimating Homo Sapiens
Passage #16: Conspiracy Theories
Passage #17: Relative Poverty
Passage #18: Why Paintings are expensive
Passage #19: US Obesity Epidemics
Passage #20: The Future of Advertising
Passage #21: Breaking Large Companies
Passage #22: Helicopter Parenting
Passage #23: Future of Democracy
Passage #24: Technology and Global Citizenship
Chapters
1) Introduction
2) 6 Step Strategy to solve GMAT Critical Reasoning Questions
3) How to overcome flawed thinking in GMAT Critical Reasoning?
4) 4 GMAT Critical Reasoning Fallacies
5) Generalization in GMAT Critical Reasoning
6) Inconsistencies in Arguments
7) Eliminate Out of Scope answer choices using Necessary and Sufficient Conditions
8) Ad Hominem in GMAT Critical Reasoning
9) Slippery Slope in GMAT Critical Reasoning
10) Affirming the Consequent – GMAT Critical Reasoning
11) How to Paraphrase GMAT Critical Reasoning Question
12) How to Answer Assumption Question Type
13) How to Answer Conclusion Question Type
14) How to Answer Inference Question Type
15) How to Answer Strengthen Question Type
16) How to Answer Weaken Question Type
17) How to Answer bold-faced and Summary Question Types
18) How to Answer Parallel Reasoning Questions
19) How to Answer the Fill in the Blanks Question
Question Bank
Question 1: 5G Technology (Inference)
Question 2: Water Purifier vs. Minerals (Fill in the Blanks)
Question 3: Opioid Abuse (Strengthens)
Question 4: Abe and Japan’s Economy (Inference)
Question 5: Indians and Pulse Import (Weakens)
Question 6: Retail Chains in Latin America (Assumption)
Question 7: American Tax Rates – Republican vs. Democrats (Inference)
Question 8: AI – China vs the US (Weakens)
Question 9: Phone Snooping (Strengthens)
Question 10: Traditional Lawns (Assumption)
Question 11: Appraisal-Tendency Framework (Inference)
Question 12: Meta-Analysis of Diet Trials (Weakens)
Question 13: Biases in AI (Strengthens)
Question 14: Stock Price and Effectiveness of Leadership (Inference)
Question 15: US Border Wall (Weakens)
Question 16: Driverless Car and Pollution (Assumption)
Question 17: Climate Change (Inference)
Question 18: Rent a Furniture (Weakens)
Question 19: Marathon Performance and Customized Shoes (Weakens)
Question 20: Guaranteed Basic Income (Assumption)
Question 21: Brexit (Infer)
Question 22: AB vs Traditional Hotels (Assumption)
Question 23: Tax Incentive and Job Creation (Weakens)
Question 24: Obesity and Sleeve Gastrectomy (Inference)
Question 25: Recruiting Executives (Weaken)
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