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Statement-Assumption - Expert Level: sufficient assumptions EXPERT

Strategic basic drills ★ for statement-assumption: 20 expert-level problems. Worksheet 29 of 30 - Focus: sufficient assumptions. Develop expertise in implicit assumptions, hidden premises, unstated beliefs with step-by-step solutions. Ideal for expert-level learners targeting challenging problems and time-bound practice.

📝 Worksheet 29 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Expert level

What you'll learn in this worksheet:
Your progress through Statement-Assumption
Worksheet 29 of 30 (96% complete)

Question 1

Argument: To be president of the United States, a person must be at least 35 years old, a natural-born citizen, and a resident for 14 years. Assumption: 'Being a natural-born citizen is necessary' Is this assumption necessary, sufficient, both, or neither for the argument's conclusion?
Necessary: Constitutional requirement
assumption, necessary, sufficient, logic

Question 2

Statement: The new drug should be approved for public use since clinical trials showed 95% effectiveness. What is the primary assumption underlying this statement?
The statement implicitly assumes that clinical trials represent real-world conditions, which is crucial for the conclusion to be valid.
assumption, implicit, analysis

Question 3

Statement: This candidate has 20 years of experience, so they're the best choice for the position. What hidden premise must be true for this argument to be valid?
The argument implicitly assumes that experience duration directly correlates with job performance, which may not always be true.
assumption, premise, hidden

Question 4

Statement: Since it rained yesterday, the cricket match must have been cancelled. Evaluate this assumption: 'Rain always leads to cricket match cancellation' Is this assumption valid?
Invalid - matches can continue in light rain
assumption, validity, evaluation

Question 5

Statement: To solve unemployment, the government should provide free technical training programs and guarantee job placement for all participants. Which assumption is most fundamental to this argument?
While the statement makes multiple assumptions, 'Unemployment is primarily due to skill gaps' is the most fundamental because without it, the entire premise of the solution becomes questionable.
assumption, multiple, complex

Question 6

Statement: Since it rained yesterday, the cricket match must have been cancelled. Evaluate this assumption: 'Rain always leads to cricket match cancellation' Is this assumption valid?
Invalid - matches can continue in light rain
assumption, validity, evaluation

Question 7

Statement: The restaurant is expensive because it's located in the city center. Evaluate this assumption: 'City center locations have higher operational costs' Is this assumption valid?
Valid - location affects rent and operational expenses
assumption, validity, evaluation

Question 8

Argument: If you want to lose weight, you should exercise regularly. However, exercise alone isn't enough; you also need a healthy diet. Assumption: 'Regular exercise is necessary for weight loss' Is this assumption necessary, sufficient, both, or neither for the argument's conclusion?
Necessary: The argument states exercise is part of what's needed
assumption, necessary, sufficient, logic

Question 9

Statement: The company's profits will increase if they expand to international markets. What is the primary assumption underlying this statement?
The statement implicitly assumes that international demand exists for their products, which is crucial for the conclusion to be valid.
assumption, implicit, analysis

Question 10

Statement: Since it rained yesterday, the cricket match must have been cancelled. Evaluate this assumption: 'Rain always leads to cricket match cancellation' Is this assumption valid?
Invalid - matches can continue in light rain
assumption, validity, evaluation

Question 11

Argument: If you want to lose weight, you should exercise regularly. However, exercise alone isn't enough; you also need a healthy diet. Assumption: 'Diet alone is sufficient for weight loss' Is this assumption necessary, sufficient, both, or neither for the argument's conclusion?
Not stated: The argument doesn't claim diet alone works; it says both are needed
assumption, necessary, sufficient, logic

Question 12

Statement: The stock market rose today, indicating economic recovery is underway. What hidden premise must be true for this argument to be valid?
The argument implicitly assumes that stock market performance reflects overall economic health, which may not always be true.
assumption, premise, hidden

Question 13

Statement: Online education is becoming more popular than traditional classroom learning. Which of the following is an assumption made in the statement?
The statement assumes that technology improves learning outcomes, which is necessary for the argument to be valid.
assumption, identification, basic

Question 14

Statement: The restaurant is expensive because it's located in the city center. Evaluate this assumption: 'City center locations have higher operational costs' Is this assumption valid?
Valid - location affects rent and operational expenses
assumption, validity, evaluation

Question 15

Statement: Students perform better when class sizes are reduced from 30 to 15 students. What is the primary assumption underlying this statement?
The statement implicitly assumes that teacher attention improves with fewer students, which is crucial for the conclusion to be valid.
assumption, implicit, analysis

Question 16

Statement: This candidate has 20 years of experience, so they're the best choice for the position. What hidden premise must be true for this argument to be valid?
The argument implicitly assumes that experience duration directly correlates with job performance, which may not always be true.
assumption, premise, hidden

Question 17

Statement: She must be intelligent since she graduated from Harvard. Evaluate this assumption: 'Harvard only admits intelligent students' Is this assumption valid?
Questionable - intelligence has multiple factors
assumption, validity, evaluation

Question 18

Argument: We should hire Maria as our lead developer because she has 10 years of experience in our industry. Consider the assumption: 'Maria wants the position' If we negate this assumption (assume the opposite), does it break the argument?
No — Even if she doesn't want it, we could still argue we should hire her (though she'd decline)

Negation test: If 'Maria does NOT want the position' then the argument 'still could hold'.
assumption, negation, test, validity

Question 19

Statement: The city should ban private vehicles during weekdays and promote electric buses to reduce air pollution and improve public health. Which assumption is most fundamental to this argument?
While the statement makes multiple assumptions, 'Private vehicles are major pollution sources' is the most fundamental because without it, the entire premise of the solution becomes questionable.
assumption, multiple, complex

Question 20

Statement: The new drug should be approved for public use since clinical trials showed 95% effectiveness. What is the primary assumption underlying this statement?
The statement implicitly assumes that clinical trials represent real-world conditions, which is crucial for the conclusion to be valid.
assumption, implicit, analysis
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