Weekly Challenge
Five original questions for the week of July 27, 2026. No timer. Check each answer as you go.
A company switched to four 10-hour days and found sick days fell 20 percent. Management credits the schedule.
Which of the following, if true, most strengthens management's claim?
A comparison group with no change supports the schedule as the cause. E would weaken it, and B explains the drop without any health benefit.
You say the policy is unfair to small businesses. Let us look at what it actually does: it taxes revenue above $10 million. Small businesses, by definition, have revenue far below that. So the policy cannot be unfair to them in the way you claim.
The argument proceeds by
The speaker goes to the policy's details and shows the criticized group is not even affected. The objection misses its target.
No customer who arrived after 9 p.m. was seated. Ana was seated.
What follows?
Everyone seated arrived by 9. Ana was seated, so she arrived by 9. The contrapositive does the work.
A new fertilizer doubled tomato yields in greenhouse trials, so it will double yields on outdoor farms.
Which of the following, if true, most weakens the argument?
The argument assumes greenhouse results transfer outdoors. If outdoor conditions differ in ways that matter, the generalization fails.
College is expensive, but the data is clear: graduates earn far more over a lifetime than non-graduates. The debt is real, yet the payoff is bigger. For most students, college remains worth the cost.
The main point of the argument is that
The final sentence states the conclusion, with "for most students" as the careful qualifier. The rest is evidence for it.
A free diagnostic shows your starting score, then a study plan tells you what to work on next.
Last updated October 12, 2026